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

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

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

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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

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

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

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

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

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

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

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.

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

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.

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

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