This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this project, a basketball containing different psi is dropped to see how well it bounces.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!