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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.

How A Kazoo Makes Sounds

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Create Beetle Mania

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Rust Chemistry: How Does Rust Form?

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Cleansing Power: How Does Dishwashing Liquid Work?

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

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

States of Matter in a Baggie

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Hero's Engine: Example of Newton's Third Law

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Factors Affecting Solubility

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Scent Science and Cinnamon Rolls

In this fun activity, your child will create their very own solar oven to bake s&#39;mores!

Design Challenge: Making a Solar Oven

Plants and light seem to be good buddies, but how far does the friendship really go?

Growing in the Dark: Plants and Light

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments!  How do you do it? It's not a secret, it's science!

Bubble Science

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

The Single Fixed Pulley System

Put your young paleontologist&#39;s puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Dinosaur Skeleton Hunt

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Water Pressure at Depth

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Can You Keep a Secret?

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

Soil Space: A Crowded Science

Is it a square or a circle? See if you can trick your friends with this zany science project!

Shape Words

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

What is a Wedge?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Learning Why and How to Compost

This science fair project idea examines the reason boats are shaped and engineered.

Keep the Boat Afloat

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.

Drum Size and Pitch

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Easy Rhyming Words

In this activity, your child will transform an egg into a glowing, bouncy &quot;ball&quot; that they can play with.

Design Challenge: Glowing Bouncy Egg

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Complete Circuit: How Does a Flashlight Work?

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