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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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Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.
Eighth Grade
Earth & Space Science
In this 'paper and pen' science fair experiment, students will research the difference between standard time and astronomical mean time.
Eighth Grade
Earth & Space Science
Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.
Eighth Grade
Earth & Space Science
Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Eighth Grade
Earth & Space Science
Science fair project that determines which types of clouds are best at blocking harmful UV radiation.
Eighth Grade
Earth & Space Science
Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?
Eighth Grade
Earth & Space Science
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Eighth Grade
Earth & Space Science
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Eighth Grade
Earth & Space Science
Science fair project that examines the physical characteristics of soil in order to learn about soil permeability and other environmental properties.
Eighth Grade
Earth & Space Science
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Eighth Grade
Earth & Space Science
Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.
Eighth Grade
Earth & Space Science
Science fair project that examines whether different types of algae produce the same amount of oil by comparing the surface beading of water droplets.
Eighth Grade
Earth & Space Science
Science fair project that determines whether increased levels of ultraviolet radiation are harmful to the growth of lettuce plants.
Eighth Grade
Earth & Space Science
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
Earth & Space Science
Science fair project that examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.
Eighth Grade
Earth & Space Science

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