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Eighth Grade Science Fair Project Ideas

Finding eighth grade science fair project ideas can seem like a daunting task. For their 8th grade science fair projects, kids may be expected to employ more rigorous scientific controls, apply statistical analysis to their results, and graph their data. Science fair topics for 8th grade also tend to encourage students to engage in more independent inquiry by conducting original research. To this end, Education.com has put together an excellent collection of enlightening and appropriately rigorous 8th grade science fair project ideas written by our talented team of educational consultants, science teachers, and professional research and laboratory scientists. Use these for your 8th grader's upcoming science fair, or feel free to browse our collection simply to find fun and enriching 8th grade science projects and experiments to use as class projects or extra credit.

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Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.
Eighth Grade
Seventh Grade
Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.
Eighth Grade
Sixth Grade
Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.
Eighth Grade
Seventh Grade
Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?
Eighth Grade
Seventh Grade
Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.
Eighth Grade
Sixth Grade
Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?
Eighth Grade
Seventh Grade
Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.
Eighth Grade
Sixth Grade
Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.
Eighth Grade
Seventh Grade
Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.
Eighth Grade
Sixth Grade
Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.
Eighth Grade
Sixth Grade
Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.
Eighth Grade
Seventh Grade
Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?
Eighth Grade
Ninth Grade
Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.
Eighth Grade
Ninth Grade
Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.
Eighth Grade
Sixth Grade
Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.
Eighth Grade
Sixth Grade

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