How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Here's an activity to teach your fourth grader how to reflect on her past year and set specific, attainable goals to reach in the New Year.

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

Here's a festive, patriotic 4th of July fruit platter that is healthy, delicious, and guaranteed to be a real crowd pleaser.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Check out this cool science fair project on identifying rocks and minerals for kids.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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.

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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

The goal of this project is to create an exciting topographical map out of dough.

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