Showing Results for how when

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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.

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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.

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

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

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

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?

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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.

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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

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.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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