science fair experiments 10th grade

All Science Fair Projects

1000 science fair projects with complete instructions.

105 Science Fair Projects for High School

Looking for inspiring high school science fair project ideas? You're at the right place, as we compiled this wide range of science projects for 9th grade, 10th grade, 11th grade and 12th grade!

High School Science Fair Project FAQ

What are some easy high school science fair projects.

High school students can have a blast with science by trying out any of these easy science fair projects. These science fair projects teach important scientific concepts while making learning fun and enjoyable.

Growing Pineapples

Osmosis in Eggs

The Effects of Salt and Sugar on Water

Detecting Infrared Light

Solar System Scale Model on the Sidewalk

Temperature's Effect on Seawater

Decomposing Plastic Spoons

Color and Taste

Glowing in the Dark

Hand-Eye Coordination and Age

More details on these science fair projects right above the FAQ!

What is the best high school science project ever?

We highly recommend the Osmosis in Eggs science fair project for high school students. This experiment demonstrates how water moves through a membrane until it's balanced on both sides. By testing how different factors like salt, sugar, and temperature affect osmosis, you can learn more about this fascinating process and its real-life applications.

If you're looking for more high school science projects, check out the high school science fair projects at the top of this page! 

Check out more Best Science Fair Projects →

What are some cool high school grade science fair projects?

Get ready to be amazed by these super cool science projects for high schoolers! With just a few simple things, you can be fascinated by science and have tons of fun with these cool high school science projects!

Create a Hand-Drawn Hologram

Galileo's Inclined Plane Experiment

Are Dogs Color-Blind?

Plant Pavlovian Conditioning

Uncovering Chaos: Precision and Iterative Processes

Jet Lag in Hamsters

What are 5 testable questions for high school?

A testable question is a question that we can answer through a science experiment. To do this, we do a control science experiment, then we change one thing in the experiment to see how it affects what happens. This is how we can discover the answer to our question!

Do detergents affect plant growth?

Can drink and food taste different just by changing its color?

Does the color of light affect photosynthesis?

Does temperature affect seed sprouting?

What makes popcorn pop?

Here are more testable questions along with their science projects →

What are the top 10 science projects for high school?

These are our top 10 science projects for high school, with projects from Biology, Chemistry, Physics and Math. These projects can be used as science fair project ideas or as a fun experiment to explore different areas of science!

Check out the project details right above the FAQ!

Can I do a high school science fair project in a day?

Yes! Doing quick experiments or building models are great options for science fair projects! If you're looking for some ideas to get started on your quick science fair project, we have plenty of topics to choose from.

The Solar System: See it in the correct scale!

Create your own solar system model to scale on the sidewalk and take a walk through space! Solar System Scale Model on the Sidewalk

Make Your Own Hologram!

Make a hologram with nothing more than a compass and some scraps of plexiglass! Create a Hand-Drawn Hologram

Finding the Invisible Light!

Have you ever wondered what kind of light we can't see? Detecting Infrared Light

What are some hands-on ways to find inspiration for my science fair project?

There may be free admission days or free passes to a science museum near you! Check your local library for free museum passes, nearby science museums for free entrance days and your credit card for offers.

Find a science museum near you and prepare to be awed by all that you can learn there! I always learn something new and am inspired whenever I go to a science museum!

How do I start a science fair project?

What should I do after I have a science fair project idea?

How do I make a science fair board?

What is the scientific method?

What is the engineering design process?

Where can I find a science fair competition?

The www Virtual Library: Science Fairs website also has a collection of science fairs from all over the world, as well as national, state, regional, local, and virtual competitions!

• Science, Tech, Math ›
• Chemistry ›
• Projects & Experiments ›

10th Grade Science Fair Projects

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• Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
• B.A., Physics and Mathematics, Hastings College

Tenth-grade science fair projects can be fairly advanced. By 10th grade , most students can identify a project idea on their own and can conduct the project and report on it without much assistance, but they can still seek help from parents and teachers. Tenth-grade students can use the scientific method to make predictions about the world around them and to construct experiments to test their predictions. Environmental issues, green chemistry , genetics, classification, cells, and energy are all appropriate 10th-grade topic areas.

10th Grade Science Fair Project Ideas

• Test products for impurities. For example, you could compare the amount of lead in different brands of bottled water. If a label says a product does not contain a heavy metal , is the label accurate? Do you see any evidence of leaching of hazardous chemicals from the plastic into water over time?
• Which sunless tanning product produces the most realistic-looking tan?
• Which brand of disposable contact lenses last the longest before a person decides to switch them out?
• Which brand of rechargeable batteries delivers charge the longest before needing to be recharged? Does the answer depend on the type of battery-operated device?
• Test the efficiency of different shapes of fan blades.
• Can you tell how much biodiversity is in a water sample by how murky the water is?
• Determine whether ethanol really does burn more cleanly than gasoline.
• Is there a correlation between attendance and GPA? Is there a correlation between how close to the front of the classroom a student sits and GPA?
• Which method of cooking destroys the most bacteria?
• Which disinfectant kills the most bacteria? Which disinfectant is the safest to use?
• Examine the effect of growing one plant species near another.
• Can you build your own electrochemical cell or battery? Test its output and efficiency.
• Try to see if there is a correlation between two different factors, such as sunspot activity and mean global temperature or skipping lunch and low test scores. How valid would you expect such a correlation to be?
• What type of cooling mat is most effective at removing excess heat from a laptop computer?
• What is the best way to store bread to preserve its freshness?
• Which types of produce induce ripening or premature rotting in other produce?
• 3rd Grade Science Fair Projects
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• Chemistry Science Fair Project Ideas
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• High School Science Fair Projects
• Science Fair Experiment Ideas: Food and Cooking Chemistry

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Teaching Students About the Location of Barbados

Teaching students about baby calf, teaching students about thermocouples, teaching students about the basilisk: exploring a mythical creature, teaching students about the history of taiwan, teaching students about the definition of brahman in hinduism, teaching students about the definition of spheres of influence, teaching students about the definition of vaporization, teaching students about speed in physics, teaching students about invertebrates, 22 of the best 10th grade science projects and experiments.

Are you looking for science activities to do with your 10th graders? No sweat. We have you covered. Check out our list of 22 science projects and experiments that you can try with your 10th graders this month.

• Is a Dense Fruit a Healthy Fruit? | Education.com – Grades 9-12, In this experiment, students will find out if there is a correlation between density and nutritional value, by measuring the density of vegetables and fruits.
• Effect of Glucose and Sucrose as Dietary Additives | Education.com – Grades 9-12, Students examine if and how glucose affects the lifespan of humans.
• Effect of Acid Rain on Seedling Germination | Education.com – Grades 9-12, Does acid rain have a positive or negative impact on seedling germination? In this project, students use vinegar-based solutions to mimic acid rain conditions to find.
• Effectiveness of Garlic in Fighting Bacteria | All-Science-Fair-Projects.com – Grades 9-12, Use milk in petri dishes to find out if garlic is a natural antibiotic.
• Build a Raft Powered by Surface Tension | Sciencebuddies.org – Grades 6-10, Learn about the properties of surface water tension, and use it to propel a raft.
• Paw Preference in Pets | Sciencebuddies.org – Grades 7-10, Are animals left-handed or right-handed like humans?
• Bat Detector: Listen to the Secret Sounds of Bats | Sciencebuddies.org – Grades 7-10, Study the behavior of bats to find out how do they use echolocation to catch their prey
• Saving Migratory Animals | ScienceBuddies.org – Grades 7-10, They’re here today but could be gone tomorrow. Examine the migratory path of a bird species and the similarities and differences between their winter and summer habitats. Recommend which locations should be preserved to protect these species.
• Electric wind: hi-speed threads of charged air | Scienceclub.org – Grades 9-12, Use dry ice and an electrostatic generator to observe air streams and hi-speed air-threads.
• Evaluating Benfords Law | Education.com – Grades 9-12, In this project, students investigate the applicability of  Benford’s Law to many sets of everyday data, such as lists of country populations, utility bills or the distance of various stars from earth.
• Patterns in J.S. Bach | Education.com – Grades 9-12, Determine the mathematical patterns in JS Bach’s two-movement preludes and fugues.
• Raw vs. Cooked Foods | Education.com – Grades 9-12, Do raw foods contain more calories than cooked foods? Use a bomb calorimeter to measure and calculate the amount of energy (calories) within various foods, ignite food samples, calculate the change in temperature.
• Chemistry of Ice-Cream Making | Sciencebuddies.org – Grades 9-12, Test how the addition of salt and other substances to water affects the freezing point of the water-based solution. Is rock salt and ice the best combination for freezing ice cream?
• Water to Fuel to Water | ScienceBuddies.org Grades 9-12, Examine the possibilities for water as part of the fuel cycle for the future. How efficient is a cobalt-based catalyst at helping to form molecular oxygen?
• Levitating with Eddy Currents! | Sciencebuddies.org – Grades 9-12, Build your own maglev (magnetic levitation) system and demonstrate how eddy currents work.
• Does Your Cell Phone Leak? | Sciencebuddies.org – Grades 9-12, Measure cell phone radiation from several distances when making a call and when texting.
• Lighthouse Redesign | Education.com – Grades 9-12, Old lighthouses have historical significance.  Give them a new life with a modern interior redesign.
• Lights and Sounds of Logic | Illinois Institute of Technology – Grades 9-12, Digital electronics such as smartphones and computers work by embedded logic. Use circuits that light up and make a sound to show how this basic logic works.
• Oregametry | Education.com – Grades 9-12, Use the mathematics of paper folding to learn the practical applications of particular origami folding techniques. Create your own origami or make modifications to existing designs.  Origami Sightings has some mind-blowing applications of origami concepts.
• Extracting Heat Energy from a Compost Pile | Sciencebuddies.org – Grades 9-12, Use your bananas peels, newspapers, leaves, and coffee grounds to create compost. Find out if enough energy is generated from the compost to heat water.
• Do Hurricanes Cool the Ocean? | Sciencebuddies.org – Grades 9-12, Collect data on hurricane strength and sea surface temperature to determine if cooling occurs and if it can be measured with the passing of a hurricane.
• How Earth’s Wobble Affects the Rotation of Earth | Education.com – Grades 9-12, The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates. You’ll record observations over three months.

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Best Science Fair Project Ideas For 10Th Graders

Science fairs are an exciting opportunity for 10th grade students to demonstrate scientific thought, knowledge, and creativity. Coming up with an interesting idea that fits your skills and available resources can be the hardest part.

If you’re short on time, here’s a quick answer for great 10th grade science fair ideas: Test an original hypothesis by experimentally investigating physics concepts like motion and energy, chemically analyzing everyday products, or using data science to study health, social or environmental topics .

In this comprehensive guide, we provide dozens of great science fair project ideas for 10th graders in physics, chemistry, biology, data science, and more. We’ll also discuss important factors in choosing a project, conducting strong experiments, analyzing data effectively, and putting together an eye-catching display.

Physics Science Projects

Motion and speed experiments.

One fascinating area of physics to explore for 10th-grade science fair projects is motion and speed. Students can design experiments to investigate various aspects of motion, such as acceleration, velocity, and forces.

For example, they can create a simple ramp and measure the time it takes for different objects to roll down and reach the bottom. They can also explore how different variables, like the angle of the ramp or the surface material, affect the speed of an object.

These experiments not only allow students to understand the fundamental principles of motion but also encourage them to apply their knowledge to real-world scenarios.

Thermodynamics and Heat Transfer

Thermodynamics and heat transfer are essential concepts in physics, and they offer numerous project possibilities for 10th-grade students. An interesting experiment could involve investigating the relationship between temperature and the rate of heat transfer.

Students can set up different containers of water at various temperatures and measure how quickly they cool down. They can also explore how different materials, such as metals or insulators, affect heat transfer.

This project not only helps students understand the principles of thermodynamics but also allows them to apply their knowledge to everyday situations, like insulation in homes or energy-efficient appliances.

Sound, Light, and Electromagnetism

The fields of sound, light, and electromagnetism provide excellent opportunities for 10th-grade students to explore physics concepts through hands-on experiments. Students can design projects to investigate the properties of sound waves, such as frequency and amplitude.

They can also explore the behavior of light, including reflection, refraction, and the formation of shadows. Additionally, students can delve into electromagnetism by building simple circuits or investigating the relationship between electric current and magnetic fields.

These projects not only deepen students’ understanding of these phenomena but also spark their curiosity about the applications of physics in various technologies, such as speakers, lenses, and electric motors.

Chemistry Science Projects

Analyzing chemical properties.

One exciting area for chemistry science fair projects is analyzing chemical properties. Students can explore various substances and investigate their chemical composition, reactions, and properties. This can be done by conducting experiments such as testing the pH levels of different household liquids, investigating the effects of temperature on the rate of a chemical reaction, or examining the factors that affect the solubility of substances.

These projects not only provide hands-on experience but also enhance students’ understanding of chemical principles.

Food Chemistry Experiments

Food chemistry experiments make for fascinating science fair projects. Students can explore the chemical processes that occur during cooking, baking, or food preservation. They can investigate how different ingredients interact and affect the taste, texture, or color of food.

For example, a student could study the effects of pH on the coagulation of proteins in dairy products or analyze the oxidation of fruits and vegetables. These projects not only involve chemistry but also have practical applications in the kitchen.

Product Testing and Extraction

Another area of chemistry that offers great project ideas for 10th graders is product testing and extraction. Students can evaluate the chemical components of various consumer products, such as cleaning agents or personal care items.

They can analyze the effectiveness of different ingredients and compare the performance of commercial products. For instance, a student could test the pH of different brands of toothpaste or investigate the chemical properties of natural vs. synthetic dyes.

These projects allow students to apply their knowledge of chemistry to real-world scenarios.

Earth and Environmental Science Projects

Water conservation and quality.

Water conservation is a critical issue in today’s world, and there are several science fair project ideas that can help students understand the importance of preserving this precious resource. For example, one project idea could involve testing the water quality of different sources, such as tap water, bottled water, and rainwater, to determine which is the safest and most suitable for consumption.

Another project idea could focus on investigating ways to reduce water usage in everyday activities, like showering or watering plants.

Additionally, students could explore the impact of pollution on water quality by conducting experiments to test the effectiveness of different water filtration methods. This project could involve comparing the efficiency of various filtration systems, such as activated charcoal filters or UV light treatment, in removing contaminants from water.

For more information on water conservation and quality, visit https://www.epa.gov/water-research .

Renewable Energy

Renewable energy sources, such as solar and wind power, are becoming increasingly important in our efforts to combat climate change. Students can explore various aspects of renewable energy for their science fair projects.

One idea could be to build and test a small-scale solar panel or wind turbine to determine its efficiency in generating electricity. They could also investigate ways to optimize the performance of these devices by modifying factors such as the angle or position of the solar panel or the design of the wind turbine blades.

Another interesting project idea could involve comparing the energy output of different renewable energy sources. Students could research and construct models to demonstrate the energy production of solar, wind, hydroelectric, and geothermal power systems.

They could then analyze the data and draw conclusions about the most effective and sustainable sources of renewable energy.

For more information on renewable energy, visit https://www.energy.gov/eere/renewables .

Pollution and Recycling Studies

Pollution and recycling are critical environmental issues that can be explored through science fair projects. Students can investigate the impact of different types of pollution on the environment and living organisms.

They could conduct experiments to study the effects of air pollution on plant growth or the impact of water pollution on aquatic life. They could also explore ways to mitigate pollution, such as by experimenting with natural or technological solutions.

Recycling is another important topic that can be studied in science fair projects. Students can explore the effectiveness of different recycling methods, such as composting, plastic recycling, or paper recycling.

They could investigate factors that affect recycling rates, such as public awareness or access to recycling facilities, and propose strategies to increase recycling efforts in their communities.

For more information on pollution and recycling, visit https://www.epa.gov/pollution-prevention .

Biology, Health and Behavior Science Projects

Human body, senses and psychology.

Exploring the human body, senses, and psychology can be an exciting area for science fair projects. One interesting project idea is to investigate the effects of music on concentration. Students can design an experiment to test whether listening to different genres of music affects focus and productivity.

They can gather data by measuring participants’ performance on cognitive tasks while listening to different types of music. This project can provide valuable insights into the relationship between music and cognitive abilities.

Another intriguing project idea is to study the impact of color on mood and emotions. Students can design an experiment to determine whether different colors elicit specific emotional responses. They can collect data by conducting surveys or using biometric sensors to measure physiological changes associated with emotions.

This project can contribute to our understanding of how color influences human behavior and well-being.

Plant Growth and Ecosystems

Exploring plant growth and ecosystems is another captivating area for science fair projects. A project idea could involve investigating the effects of different types of fertilizers on plant growth. Students can set up an experiment with different fertilizers and measure the height, leaf size, and overall health of the plants over a specific period.

This project can provide insights into the best practices for promoting plant growth and maintaining healthy ecosystems.

Another fascinating project idea is to study the impact of light intensity on photosynthesis. Students can design an experiment to determine how varying levels of light affect the rate of photosynthesis in plants.

They can measure the oxygen production or the growth of the plants as indicators of photosynthetic activity. This project can contribute to our understanding of the factors that influence plant growth and the role of photosynthesis in ecosystems.

Data Science for Health Trends

Data science is an emerging field that can be utilized for science fair projects related to health trends. One project idea is to analyze public health data to identify patterns and trends in the occurrence of diseases.

Students can use available datasets from reputable sources such as the World Health Organization or the Centers for Disease Control and Prevention. By applying data analysis techniques, they can uncover valuable insights that can inform public health interventions and strategies.

Another compelling project idea is to develop a predictive model for disease outbreaks. Students can use historical data on disease outbreaks and relevant environmental factors to train a machine learning algorithm.

This model can then be used to predict the likelihood of future outbreaks based on current environmental conditions. This project combines the fields of data science and epidemiology, providing an opportunity to contribute to the prevention and management of diseases.

Choosing and Conducting Your Project

Select an original idea.

When choosing a science fair project idea, it is important for 10th graders to select an original concept that piques their interest. One way to do this is by brainstorming topics that align with their personal hobbies or areas of curiosity.

For example, if a student enjoys gardening, they could explore the effects of different fertilizers on plant growth. Alternatively, if they have a passion for technology, they could investigate the efficiency of different coding languages. The key is to select a project that is unique and engaging.

Write a Strong Hypothesis

Once a topic has been chosen, it is crucial to develop a strong hypothesis. A hypothesis is an educated guess or prediction about the outcome of an experiment. It should be specific, testable, and based on prior knowledge or research.

For instance, if the chosen topic is the effect of music on concentration, a strong hypothesis could be: “If students listen to classical music while studying, then their test scores will improve compared to those who study in silence.”

Writing a clear and concise hypothesis sets the foundation for a successful science fair project.

Follow the Scientific Method

When conducting a science fair project, it is essential to follow the scientific method. This systematic approach helps ensure valid and reliable results. The scientific method typically consists of the following steps:

• Ask a Question: Identify a problem or question that you want to investigate.
• Do Background Research: Gather information about your topic to develop a better understanding.
• Construct a Hypothesis: Formulate an educated guess about the outcome of your experiment.
• Test Your Hypothesis: Design and conduct an experiment to test your hypothesis.
• Analyze Your Data: Collect and analyze the data obtained from your experiment.
• Draw Conclusions: Make conclusions based on your analysis and determine if your hypothesis was supported.
• Communicate Your Results: Share your findings through a well-written report or presentation.

By following these steps, 10th graders can ensure that their science fair projects are conducted in a structured and scientific manner, increasing the chances of success.

For more information on choosing and conducting science fair projects, you can visit www.sciencebuddies.org .

Analyzing Data and Creating Your Display

Statistical analysis of results.

Once you have conducted your science experiment, it’s important to analyze the data you have collected. Statistical analysis helps you make sense of the numbers and draw meaningful conclusions. You can use various statistical methods to analyze your data, such as calculating averages, standard deviations, and correlations.

This will allow you to identify patterns, trends, and relationships within your data, providing a solid foundation for your project.

For more guidance on statistical analysis, you can refer to resources like Khan Academy or Statistics How To . These websites offer comprehensive explanations and step-by-step tutorials on various statistical concepts and techniques.

Effective Data Visualizations

Presenting your data in a visually appealing way is crucial to engage your audience and effectively communicate your findings. Creating clear and informative data visualizations can help your viewers grasp complex information more easily.

You can use graphs, charts, tables, and diagrams to represent your data visually.

When choosing the right type of visualization, consider the nature of your data and the message you want to convey. Bar graphs are great for comparing different categories, line graphs can show trends over time, and pie charts can illustrate proportions.

Make sure to label your axes, use colors strategically, and keep your visualizations simple and easy to understand.

Putting Together an Eye-catching Presentation

An eye-catching presentation is essential to impress the judges and showcase your hard work effectively. Your presentation should be well-organized, visually appealing, and engaging. Here are some tips to create an outstanding display:

• Clear and concise: Keep your text and explanations concise, focusing on the key points of your project.
• Visual appeal: Use colors, images, and diagrams to make your display visually appealing and attractive.
• Logical flow: Arrange your information in a logical order, guiding the viewer through your project step by step.
• Engaging elements: Incorporate interactive elements, such as videos or demonstrations, to captivate the audience’s attention.
• Practice: Rehearse your presentation multiple times to ensure a smooth delivery and confidence in your content.

Remember, your display is not only a visual representation of your project but also a reflection of your hard work and dedication. Invest time and effort into creating a captivating and professional presentation that will leave a lasting impression on the judges.

From physics to environmental science to data analysis, there are many cool science fair ideas for 10th grade students to choose from. Make sure to pick an original hypothesis you can systematically test and collect meaningful data on.

Analyze your results thoroughly using statistics and represent them visually through charts, graphs and tables. With these science project suggestions and tips, you’re sure to have an impressive and educational science fair experience.

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Science Fair Guide

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10th Grade Science Fair Projects

Each experimental science project guides in this list contain all the steps you need to start and complete your science project. Information include Introduction, Question/Purpose, Variables, Sample Hypothesis, Sample Experiment designs, guides in creating data table, Graph, drawing Conclusion, writing an Abstract, writing Report. Engineering and display projects may have a different structure.

General Science Projects EX016 A Projector (Make a slide projector)

Physics Science Projects IP110 How is paint affected by temperature changes? IP111 How does temperature affect the elasticity of rubber? IP112 How does temperature affect the strength or adherence of glue? SP011 The mathematics of snowflakes SP022 The effect of solar activity on radio propagation SP033 Observations of magnetic permeability of different materials SP061 Index of refraction of liquids versus temperature SP062 Index of refraction of liquids versus amount of additive SP071 Crystal growth rates versus solution strengths, temperature, etc SP091 Experimenting with various separation techniques (e.g. electrophoresis) SP100 Make a universal Reflector SP421 Impact force of falling object  

Chemistry Science Projects SC021 Determination of the Thickness of Zinc on a piece of Galvanized Metal SC022 Distillation of Water from an Aqueous Solution Using a Disposable Apparatus SC023 Candy Chromatography SC024 A comparison of the Solubility of Carbon Dioxide in Water at Various Temperatures SC026 A Penny’s Worth of Hydrogen SC028 Determination of the Relative Viscosities of Liquids SC029 Discover a good antifreeze (Freezing Point Depression) SC030 Reactions Between Ions In Solution Using Consumer Materials SC031 Physical Properties and Intermolecular Bonding in Solids SC035 The Effect of Temperature on the Rate of Dissolving SC037 Balloon Race (The Effect of Temperature on the Rate of Reaction) SC039 The Effect of Concentration on the Rate of a Reaction SC040 Kinetic Experiments; Effect of concentration on the rate of reactions SC042 Catalysis Using Enzymes In Pineapple SC045 Activities of Metals SC047 Electrolysis of Water without a Hoffman Apparatus SC048 Making and Testing a Simple Galvanic Cell SC049 Tracking Electrons SC050 The Chemistry of Copper Plating SC051 Production of Synthetic Fiber SC054 Ion Exchange SC055 Make Iron Sulfate, Hydroxide, Oxide SC094 A study of saponification reactions SC095 A study of esterification SC101 Electrolysis of Potassium Iodide SC102 Magnesium Research SC110 Which fruits contain the most vitamin C? SC120 Compare fruits for their sugar contents  

Biology Science Projects SB011 The effect of sound on plants SB021 Plants in different environments (light intensity, color) SB031 The effect of nicotine, air, yeast on mold growth SB041 Factors affecting the strength of hair SB042 Factors affecting the growth of bacteria SB043 Factors affecting the growth of molds or yeast SB051 Experiment with Hydroponics SB071 The effectiveness of Antiseptics and soaps on household bacteria SB091 Comparing types of artificial light on plant growth SB101 Conditions necessary for the life of a brine shrimp SB121 Producing mutations in bacteria SB122 Producing mutations in yeast SB131 Best conditions for mushroom production SB141 The effects of ultrasonic on bacteria count SB142 The effects of antibiotics on bacteria count SB161 Reaction of planaria to pH, light and temperature conditions SB162 Reaction of paramecia to pH, light and temperature conditions SB171 Plant tropisms and growth hormones SB181 Transpiration rates for different plants and conditions SB191 Sugar level in plant sap at different times and dates SB211 A study of territoriality in mice SB221 A study of the cleaning habits of mice SB251 Learning and perception in animals and humans SB261 Studies of memory span and memory retention SB271 Age versus learning ability SB281 A study of the relation between physical exercise and learning ability SB291 Is audio or visual information better remembered SB292 Brain Hemispheres. SB301 The effect of bleaching and dyeing on hair SB311 A study of the percentage of DNA (by weight) in different species SB321 Factors affecting the enzyme’s reaction rates SB341 Factors affecting seed germination (e.g. soil temperature, pH) SB361 Factors affecting flowering SB391 Factors affecting Nodule Formation in Legumes SB401 Can household compounds (e.g. tea) be used to promote good health in plants SB411 Effects of cigarette smoke on the growth of plants SB421 The effects of water impurities on plant growth SB431 The effects of phosphates on aquatic plants SB451 The effect of excess salinity on plants SB501 The effects of electromagnetic fields on plants SB531 Does magnetizing seeds before planting affect growth SB541 The effects of XRay and other radiation on plants SB551 The effect of music of varying types and duration on plants SB561 Organic fertilizer versus chemical Fertilizer SB582 Toxicity of nicotine SB601 A study of stimuli that attract mosquitoes SB611 The factors affecting the rate at which a cricket chirps SB631 A study of diffusion through cell membranes SB641 Growing plants and animals by cloning SB651 Regeneration in sponges, Paramecia, Planaria, etc. SB701 Salivary Amylase and Starch Digestion SB702 Study and Experiment with Milk SB704 Comparison of the Effects of Inorganic Catalysts and Enzymes on Peroxide Decomposition SB707 Heat Content of Snack Foods SB708 Solubility and the Percent of Oil in Peanuts SB801 Homeopathy principles, facts and fictions  

Environmental Science Projects SV103 Study of adaptations of city flora to smog SV105 The effects of crowding (with the same or other species) on a certain plant SV106 Annual variations in the ecology of a body of water SV107 Study of a shoreline SV110 Study of the relation between vegetation and insects SV116 Study of air purification methods SV117 Efficient methods of breaking down crude oil in seawater SV118 Experimenting with microbial degradation of petroleum SV119 Experimenting with biodegradability SV121 Find an ink that would decompose for recycling paper SV122 Using solar energy to purify polluted or salt water SV123 Yeast: A Filtration Agent for Heavy Metals?  

Other Science Projects SE001 Design considerations for Solar Heated homes SE002 Design considerations for Solar-Cell powered homes SE003 study of propeller designs for wind generators SE004 Production of electrical energy from mechanical sources SE005 Study of efficient home insulation SE007 The effect of landscaping and architecture on energy consumption SE008 Efficiency studies on transformers SE009 The effect of temperature on resistance SE010 Study of formation of images on a T.V tube SE012 L.E.D illumination versus incandescent illumination in practice SE013 Voice communication with infrared light and fibre optics SE014 Find the maximum speed in fibre optic links SE015 Study of various phosphors in fluorescent lighting SE016 Structure versus strength in dams  

Note: Most projects are for more than one grade and selection depends on your previous knowledge about the subject. Do not select projects that you are not familiar with.

Winning Biology Science Fair Projects – For All Grades

• January 25, 2023
• Science Fair Ideas

Unlock the secrets of the natural world with these winning biology science fair project ideas .

Whether you’re interested in microorganisms, plant growth, or human anatomy, this list has something for everyone.

These project ideas are not only informative and intriguing, but also provide an opportunity to showcase your scientific skills and understanding.

Get ready to impress your judges and inspire your peers with these top-notch biology science fair project ideas.

Biology Science Fair Ideas – Grade Levels

Select the grade level specific to your requirement to go over the list of exciting and unique science fair projects.

Biology Science Fair Projects For Middle School 

Biology science fair projects for 5th grade, biology science fair projects for 6th grade, biology science fair projects for 7th grade, biology science fair projects for 8th grade, biology science fair projects for high school, biology science fair projects for 9th grade, biology science fair projects for 10th grade, biology science fair projects for 11th grade, biology science fair projects for 12th grade, biology science fair projects – college level, award winning biology science fair projects.

Check out our Winning list of Physics Science Fair Projects & Chemistry Science Fair Projects

Here is the list of our science fair projects designed specifically for middle school students to make them learn Biology with fun!

1. Animal Pyramid Working Model for land, air and water

2. Making a plant cell model

3. Making conservation of bird model

4. Making the life cycle model of a bird

5. Making a frog life cycle model

6. Making a 3-d model of the human digestive system

8. Making a 3-D Spinal cord model

9. Making a model of a section of the tooth 

10. Making a 3-d model of mitochondria

11. Making a 3D model coronavirus

12. Fight coronavirus model

13. Making a 3D model of a fungi

14. Colour Changing Flowers Experiment

15. Demonstrating different parts of a plant

16. Making a 3D model of amoeba

17. Making a 3-D root structure model

18. Growing plants without soil

19. Transpiration bell jar experiment

20. Building a ripe produce detector

21. Making a model of the food chain

22. Prove respiration in plants experiment

23. ‘Plants on the move’ experiment

24. Demonstrating geotropism in plants

25. Magic Bending Bone Experiment

26. Measuring the rate of photosynthesis

27. 3D Model of Ladybug Lifecycle

28. Testing for starch in plants

29. Demonstrating the sticking power of germs

30. Working model of photosynthesis

31. Seed germination experiment

32. Making a candy animal cell

33. 3-D model of the life cycle of a butterfly

34. Lifecycle of a Silkworm

35. Making a 3-d model of the human circulatory system

36. Making a 3-d model of the human respiratory system

37. Making the working model of a kidney

38. Demonstrating how camouflage protects insects from their predators

39. Creating biofuel from waste

40. Osmosis experiment using potato

41. Making a pulse counter

42. Working model of the human heart

43. Evaporation experiment

44. Brain on the plate using clay

45. A model of different types of pollution

46. Thirsty flower experiment

47. Demonstrating the effect of food colouring on plant cell growth

48. Microwave Water Plant Experiment

49. Making a neuron model

50. 3D working model of the human eye

51. Making an ozone layer model

52. Diffusion experiment

53. Model of a DNA strand

54. Demonstrating how animals stay warm

55. How do penguins stay warm and dry

56. Making a heartbeat clock

57. Effect of pepper extract on the growth of sunflower

58. Making a 3-D pollination model

59. Types of blood groups in human beings

60. Explaining Sickle Cell Anemia and its Prevention

61. Making a 3D model of the female reproductive system

Below is a list of our Biology science fair projects that demands a higher level of thought process and may need adequate safety measures for flawless execution. 

62. Demonstrating anaerobic respiration in plants

63. Making a 3-D model of chromosome

64. Leaf Chromatography experiment

65. Wet and dry worm experiment

66. Making a bio-luminescent lamp

67. Making a model of the water cycle

68. Mall’s half-leaf experiment

69. Easy capillary action movement

70. Demonstrating the importance of cell membrane using a balloon

71. Leaves changing colour experiment

72. Making a seed board

73. Making a 3-D model of a section of skin

74. Making an animal diorama

75. Creating biodegradable plastic

76. Making a 3D biodiversity model

77. Demonstrating leaves give out oxygen

78. Making a pollution catcher using petroleum jelly  

79. Finding out whether leaf size matters in plant transpiration rate

80. Does cigarette smoke affect plant growth

81. Do carnivores plants prefer certain types of insects

82. Create a Robotic Articulated Hand

83. Finding out can plant be genetically resistant to heavy metals

84. Demonstrate how the coronavirus affects our cells

85. Banana DNA extraction

86. Explaining what Genetically Modified Organisms

87. Demonstrating the usefulness of microorganisms using a 3D model

88. Making a 3-D Diaphragm model

89. Hydroponics farming working model

90. Hemodialysis working model

91. Making a miniature greenhouse farming model

92. Working model of a human arm

93. Demonstrating how DNA fingerprints are unique

94. How corona vaccine works

95. Miniature botanical garden model

96. 3-D drip-irrigation model

97. Making a solar-operated seed-sowing machine

98. Making a vertical farming model

99. Growing plants in micro-gravity

100. Uncovering hidden sugar in food

101. Finding out why all medicines are not pills.

102. Making a sea habitat diorama

It is true that some Biology projects at science fairs are innovative and end up winning awards. Here, look at some award-winning science fair projects that may inspire and excite you or instil a newfound love for Biology.

103. Making a plastoscope with plastic bottles

104. Demonstrating the role of planktons in marine life

105. Potential of rose petals in boosting the efficiency of solar cells

106. Demonstrating the importance of handwashing

107. Demonstrating the side of the leaf that takes in carbon-dioxide

108. Harvesting transparent and flexible energy using Bi-Layer Graphene

Try our list of science fair resources for project boards and project labels to present your winning science fair project.

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