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

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

The purpose of this science fair project is to build a basic radio.

This science fair project idea experiments with spinning color wheels and optical illusions.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This experiment investigates whether there are certain sounds that affect men and women differently

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea explores whether talking to a plant will help it grow.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Illustrate the idea of light refraction with this exciting and mystifying experiment.