In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project children practice the scientific method while playing with puffy paint.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this activity your child will create their very own marble maze!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Make a spring collage with your child to get them outside and those creative juices flowing!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates if fats add to the flavor of food.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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