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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 compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Eighth Grade
Life Science
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Eighth Grade
Life Science
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Eighth Grade
Life Science
Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.
Eighth Grade
Life Science
Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.
Eighth Grade
Life Science
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Eighth Grade
Life Science
Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?
Eighth Grade
Botany
Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?
Eighth Grade
Life Science
Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.
Eighth Grade
Life Science
This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.
Eighth Grade
Microbiology
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
Life Science
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
Eighth Grade
Life Science
Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.
Eighth Grade
Microbiology

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