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The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Cleaning can be a chore, but not with this sudsy experiment!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea explores the different properties & interactions of sugar molecules.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.