How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

Making your own glass cleaner is easy, effective and inexpensive!

In this project students experiment with making music using only glasses of water.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This project examines whether people's taste perception is influenced by what they see.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!