This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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.

Introduce your child to science with something they see everyday--their shadow!

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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 activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

An home science experiment for older students that teaches about the science behind heat.

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.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!