In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

What happens when colored beams of light mix? You might be surprised.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.