This clay "painting" activity encourages and supports creative development and critical thinking skills.

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

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Start your toy engines -- this is going to be a fast and friction-filled race!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea examines whether people can decode scrambled messages.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.