This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

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

In this science fair project, students create their own miniature salt flats at home.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Using a toy race car kids create a visual model of the Doppler Effect.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here's a science activity to help your child investigate how seeds are designed to travel.

Help your child learn about animal classification with this fun and delicious activity.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Help your child celebrate the summer and the sun by making a sandy seascape.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea compares biodiversity between drops of water.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.