This science fair project idea determines what household items are good conductors of electricity.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Science fair project that determines whether mass and weight are the same or different.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea experiments with spinning color wheels and optical illusions.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.