Showing Results for how when

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.

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

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

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

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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

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?

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This surprisingly good glue recipe comes from common kitchen items.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.