Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

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

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 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.

Work on homophones, words that sound the same, and spelling with this imaginative activity!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Strong writing engages all five senses, and this fabulous fall-themed simile activity is the perfect way to celebrate sight, sound, smell, taste, and touch.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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.

In this project, waves of vibrations are experimented with using water in glasses.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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.

Give your third grader a head start in language arts by teaching her an alliteration lesson with this Santa Claus-themed writing project.

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!

In this project students experiment with making music using only glasses of water.

The alphabet is a big learning milestone for most kids. Help your child learn alphabetical order by making a food list in this fun Thanksgiving activity.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea explores whether talking to a plant will help it grow.

All you need to put together this guitar is an old shoebox. Soon your kid will be rocking out while saving room in the landfill.

On Father's Day, delight Dad--and stretch your early reader, too!--with this adorable ABC book of "Fun with Dad."

Use this interactive activity to help your third-grade child develop vocabulary skills and make a flipbook.

Palindromes are a fun and silly way to practice writing skills. Challenge your child to come up with as many palindromes as she can in this crazy activity!