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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 that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?
Eighth Grade
Sixth Grade
Science fair project which determines whether the depth of a boat in the water changes how fast it moves and how straight it sails.
Eighth Grade
Fifth Grade
Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.
Eighth Grade
Seventh Grade
Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.
Eighth Grade
Elementary School
In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.
Eighth Grade
Middle School
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Eighth Grade
Seventh Grade
In this experiment we use Scotch Guard to make sand that resists water.
Eighth Grade
Middle School
If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.
Eighth Grade
Middle School
In this experiment you observe fires of different colors: white, blue-violet, and green.
Eighth Grade
Middle School
In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!
Eighth Grade
Middle School
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Eighth Grade
Fifth Grade
Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.
Eighth Grade
Fifth Grade
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Eighth Grade
Seventh Grade

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