130 Excellent 8th Grade Science Fair Projects

Are you searching for excellent 8^th-grade science fair projects? If yes, then take a look at this blog post. Here, we have published a list of 130 awesome and innovative science fair project topics and experiment ideas for 8^th-grade students on Physics, Chemistry, Biology, Environmental Science, and other science subjects. Also, we have explained how to identify the right topic for the science fair.

Remember, by doing science projects, you can explore valuable concepts. Also, hands-on experiments can improve your practical learning experience and subject knowledge. This is a major reason why several schools ask students to come up with innovative science fair projects and experiments.

Continue reading this blog and get interesting ideas for 8^th-grade science fair projects.

What is a Science Fair?

Science Fair is an educational event or a competition where students of all academic levels starting from elementary to high school will be allowed to show off their science projects and experiments. The ultimate goal of a science fair is to increase the interest of students in subjects such as Science, Technology, Engineering, and Math (STEM).

Mainly, a science fair is conducted to encourage children to engage in scientific research, critical thinking, and hands-on learning. A science fair will always have a competitive setting where students will have to explore scientific concepts, conduct experiments, and properly present their findings.

Know How to Choose a Good Science Fair Project Topic

Before you participate in a science fair, you must first determine on what topic you are going to do your project. In general, it is not so easy to find a good science fair project topic. Therefore, for your convenience, here we shared some essential steps to identify the right science fair project idea. Just follow them!

Also Read: 75 Innovative Science Fair Project Ideas for 6th Grade

Choose your interests

First, get to know about your area of interest. Consider what areas in science or technology most interest you. When your project topic coincides with your passion, then it will be more pleasurable and interesting for you to work on.

Narrow down the field

Science is a broad subject. Hence, concentrate only on particular fields, such as computer science, astronomy, chemistry, physics, or biology. This will assist you in narrowing down your project search.

Review the Science Fair rules and Guidelines

Review the specifications offered by the science fair organizers at your school. Make sure you understand the project length, presentation structure, and any unique fair themes or requirements.

Brainstorm ideas

Brainstorm a list of project ideas in the scientific field you have selected. Consider the queries or issues you wish to investigate. At this point, don’t worry about viability; simply come up with as many ideas as you can.

Research and possibility

Analyze each concept to see if it is feasible. Do you have access to the tools and supplies required? Is experimenting safe? Are there any resources you can use to learn more about the subject? Take into account each idea’s difficulty and preparation time.

Pick a provable hypothesis

Once you’ve narrowed down your options, pick one topic that has a clear and testable hypothesis. A hypothesis is a prediction of a result. It must be explicit, quantifiable, and founded on prior information.

Consult with your mentors or teachers

If possible, get advice from your scientific teacher or a mentor. They may give important feedback, assist in the refinement of your project topic, and ensure that it corresponds with educational goals and safety regulations.

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List of 8^th Grade Science Fair Projects and Experiments

To do a science project, a good topic is essential. If you are an 8^th-grade student confused about what topic to choose for your science fair project, explore the list presented below and pick a topic of your choice. In the list, we have included 130 outstanding 8^th-grade science fair projects and experiment ideas.

Simple 8th Grade Science Fair Project Ideas

If you would like to present a simple project at your science fair, then the list suggested here might be useful to you. In the list, we have included only a few basic science fair project topics for 8th-grade students to work on easily.

1. Build a light bulb.
2. Prove the first law of motion by dropping an egg
3. Compare electrolytes in sports drinks
4. Separate water into oxygen and hydrogen
5. Relight a candle without touching it
6. Measure algae growth
7. Turn juice into spheres
8. Conduct fingerprint analysis
9. Grow a carbon sugar snake
10. Assemble a Newton’s cradle.
11. Guide a growing plant through a maze.
12. Measure and Compare Lung Capacity
13. Extract your DNA.
14. Test the strength of interleaved paper.
15. Raise a hydraulic elevator
16. Cast animal tracks
17. Construct a Rube Goldberg machine
18. Block the Sun’s UV rays
19. Extract Bismuth from Pepto-Bismol
20. Build an infinity mirror

Amazing 8th Grade Science Fair Projects in Physics

In this section, to make the science fair project topic selection easier for the 8^th-grade students, here, we have shared some amazing project ideas related to physics. If you are passionate about Physics, then you develop your project on any of the topics we have recommended.

1. Demonstrate the relationship between light intensity and distance
2. Construct a Homemade Electromagnet
3. Set up an experiment to demonstrate the physics of sound waves
4. Investigate Projectile Motion
5. Compare Solar Cell Efficiency
6. Demonstrate the effect of magnet strength on Ferrofluid behavior
7. Determine the Pendulum’s Period
8. Demonstrate Newton’s laws in everyday life
9. Demonstrate the effect of surface texture on friction
10. Investigate the relationship between air pressure and altitude

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Best 8th Grade Science Fair Projects in Chemistry

Are you seeking the best chemistry project topics to demonstrate at the science fair? If so, then take help from the list published below. For the 8^th-grade students, in the list, we have added some excellent science fair project titles on concepts based on chemistry.

1. Show the chemical reactions in cooking.
2. Set up an experiment to prove the impact of acid rain on plant growth
3. Compare the vitamin C content in different fruits
4. Demonstrate the chemistry of baking soda and vinegar
5. Test the pH of Household Cleaners
6. Demonstrate the electrolysis of water
7. Test the effect of temperature on battery performance
8. DIY pH Indicator
9. Demonstrate the science of lava lamps
10. Investigate the effect of temperature on crystal growth

Outstanding 8th Grade Science Fair Projects in Biology

In case, you are curious to develop your science fair project on any biology-related concepts, then without any hesitation pick any topic from the list presented here. From the list, you will get numerous biology project ideas for 8^th-grade students to exhibit at the science fair.

1. Which Food Attracts the Most Fruit Flies? Demonstrate
2. Compare the efficiency of natural and chemical pest repellents
3. Test the antibacterial properties of common household items
4. Do Plants “Breathe” at Night?
5. Show the effect of light color on plant growth
6. Demonstrate the effect of pH on enzyme activity
7. An experiment to explain the impact of temperature on seed germination
8. Demonstrate plant growth with music
9. Microorganisms in your environment
10. Compare Organic and Inorganic Fertilizers

Excellent 8th Grade Science Fair Project Ideas in Environmental Science

If you are excited to explore environmental science, then for your science fair, you may demonstrate a project on any topic that is relevant to the environment. The following are some excellent environmental science fair project topics you may consider.

1. Explain the effect of ocean acidification on marine shells
2. Biodiversity and Ecosystem Health
3. Waste Reduction Strategies
4. Explain the impact of deforestation on carbon dioxide levels
5. Renewable Energy Sources
6. Explain the impact of oil spills on marine life
7. The Greenhouse Effect
8. Water Pollution Testing
9. Recycling Plastics
10. Air Quality Monitoring

Trending 8th Grade Science Fair Robotics and AI Projects

Robotics and Artificial Intelligence are the trending science concepts that have been evolving drastically. If you are an 8^th-grade student wishing to develop your science fair project on any latest topics, then take into account any of these Robotics and AI project titles.

1. Program a Chatbot
2. Build Robotic Arm Control
3. Build a Simple Robot
4. Deep Learning for Image Recognition
5. Obstacle-Avoidance Robot
6. Voice-Activated Home Automation
7. 3D Printing and Robotics
8. Design a robotic car
9. Autonomous Drone Programming
10. Machine Learning for Predictive Analytics

Also Read: Top 100 Science Fair Project Ideas for High School

Top 8th Grade Science Fair Project Topics Related to Engineering

Here we have published a list of the top engineering projects for the 8^th-grade students to consider for their science fair. If you would like to showcase your engineering skills and knowledge, then pick any topic from the list and work on it.

1. DIY Water Filtration System
2. Design a Balloon-Powered Car
3. Create a Hydraulic Robot Arm
4. Demonstrate the Science of Flight
5. Construct Paper Bridge
6. Build a Simple Electric Motor
7. Build a Simple Circuit Board
8. Design a Wind-Powered Vehicle
9. Power up homemade batteries
10. Design a Solar Oven

Interesting 8th Grade Science Fair Projects Topics

While you work on your science fair project, give top preference to the topic that is more interesting to you so that you may easily manage all the challenges that you encounter during the project development stages. Listed below are some 8^th-grade science fair project topics that might be exciting for you to deal with.

1. Build a circuit to detect ripe produce
2. Perform a starch test with iodine
3. Make a solar desalinator
4. Explore symbiosis with nitrogen-fixing bacteria
5. Test pH levels, nutrient content, and water retention capacity of different soils.
6. Discover the center of gravity
7. Concoct and Test a shampoo
8. Model the Earth’s seasons
9. Create a rainbow of flames
10. Investigate the advanced properties of liquids.
11. Demonstrate Crop Rotation with an experiment
12. Analyze plant nutrients
13. Food Preservation Techniques
14. Study the effects of Acid Rain
15. Test Conductivity of Materials
16. Shape Memory Alloys
17. Fuel a film canister rocket
18. Plate Tectonics and Earthquakes
19. Study the effect of music on memory
20. Assemble a spring scale

Captivating 8^th Grade Science Fair Project Ideas

The science project you demonstrate at the fair should grab the audience’s attention. So, to achieve that, build your science project on any of the captivating ideas. The following are some engaging project topics that 8^th-grade students may give importance to for their science exhibition.

1. Build a solar-powered car.
2. Make a bath bomb.
3. Extract the DNA of an Onion.
4. Build a raft powered by surface tension.
5. Candy Chronography
6. Explain how acid accelerates rusting.
7. Build a marble machine
8. Make marshmallows
9. Demonstrate how to supercool water
10. Make a fog tornado

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Unique 8th Grade Science Fair Projects

To create a winning science fair project, you may focus on any of the ideas that were not explored before. Here is a collection of unique science fair project topics that will help you showcase your innovation to the outside world.

1. Harness the power of water
2. Determine a plant’s favorite music
3. Measure buoyancy over time
4. Optimize fermentation temperature
5. Prepare a solar system model
6. Investigate the effects of microgravity
7. Demonstrate volcano eruptions
8. Investigate the greenhouse effect in Terrariums
9. Formation of crystals in rocks
10. Demonstrate the formation of fossils

Awesome 8^th Grade Science Fair Project Ideas on Sports Science

Science also plays a big role in sports. In case, you are an 8^th-grade student who likes to explore the sports field from a scientific aspect, then explore the list uploaded here. In the list, you will get several awesome sports science project titles to investigate.

1. Analyze the effects of underinflated tires on bicycling
2. Examine the geometry involved in reaching the basket in a basketball.
3. How does hockey stick flex impact a shot’s speed and accuracy?
4. Examine the potential impact of eye dominance on basketball shooting.
5. Investigate the trajectory of a ball’s energy during bounces
6. Assess the intensity level of impacts during practices or games.
7. Examine how exercise affects heart rate.
8. Track variations in carbon dioxide levels both before and after working out.
9. To what height is it possible to throw various sports balls?
10. Examine whether lung capacity may be increased by regular aerobic activity.

Wrapping Up

If you are pursuing your 8^th Grade, then for your science exhibition, you may very well work on any of the project titles we have recommended above. But when you select a project topic, give significance to the topic you are interested in and have strong knowledge of. Furthermore, when you develop a science fair project, be certain to implement some innovative techniques into it to make your work stand unique in the crowd. In case, it is troublesome for you to handle your 8^th grade science fair project, approach us immediately. Our team contains several experienced assignment helpers from different branches of science. By using their expertise, our subject experts will guide you in completing your science fair project on any topic as per your requirements.