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Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Create a Sandwich Bag Explosion!

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

Experiment with Magnet Magic

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Make a Balloon Stick to the Wall Like "Magic"

This science fair project idea produces sounds by creating vibrations using different objects.

Creating Sound Through Vibrations

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Transferring Energy Through Sound 

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Too Cold to Chirp?

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

Firework Science

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Build a Popsicle Stick Bridge

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Create a Constellation

This science fair project idea demonstrates sonar mapping of the ocean floor.

Understanding Sonar Mapping of the Ocean Floor

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.


A Solid Investigation

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

How Windy Is It? A Weather Science Experiment

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

How Different are Sounds from a Phone, a Computer, and a Mouth?

How powerful is the reaction between baking soda and vinegar? Find out here!

Baking Soda and Vinegar Balloon

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket.  So put on your safety goggles and let her rip.

Film Canister Rocket

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.

Slinky Physics

Air invisible; it doesn't make sounds; you can't pick it up and throw it.  So how do we know it exists?  Help your second grade scientist figure it out.

Blow It Out!

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

Can You Hear Me Now?

Find out whether matching resonant frequencies can cause objects to shatter.

Can You Shatter Glass With Soundwaves?

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

Echolocation Demonstration

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

Measuring Heart Rate with Doppler Ultrasound

Magic, science, or household cleanser?  Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Experiment with Sudsy Lemon Science

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

What Instruments are Used to Create Bird Sounds in Classical Music?

What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Simple Machines: Wheel and Axle

This hands-on lesson will get your students to investigate some mystery liquids, and they will have to use their observational skills to figure out what they are.

Liquid Detectives

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

SPEAK LOUDER! How Does a Microphone Work?

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.

Study Game: Planets!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How to Separate Salt from Water

This science fair project idea produces varying pitches of sound.

Changing the Pitch of Sound

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