Showing Results for a

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Using a toy race car kids create a visual model of the Doppler Effect.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project teaches students the differences between fruits and vegetables.

In this activity, your child will be challenged to make a tower using paper cups.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

This science fair project idea investigates how the shape of an object affects drag.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?