In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

In this design challenge, your child will make a bottle rocket using typical household items.

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 experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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