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This science fair project idea  provides evidence that air is everywhere and takes up space.

Air Is Everywhere!

Have your child kick off their summer vacation by making a miniature water slide!

Design Challenge: Making a Water Slide

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Invisible Fingerprints: CSI Style!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old &ldquo;why&rdquo; questions. As you walk with your child, you can encourage them to ask questions.

Inspire Simple STEAM Exploration

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Design Challenge: Egg Drop

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Design Challenge: Inflate a Balloon

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

Design Challenge: Creating a Cup Tower

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

Talking to Plants

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Gender Probability: Male and Female Chromosomes

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

Design Challenge: Making a Catapult

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Retrograde Mode

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Dehydrating Strawberries

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Floating Paper Clip

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

How Lefties Write

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

How to Separate Salt from Water

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Counting Tree Rings

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

How Do Icicles Form?

In this activity your child will create their very own marble maze!

Design Challenge: Marble Labyrinths

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

The Mozart Effect

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The Psychology of Feeling Watched

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Determine the Effect of Gray Water on Plant Growth

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Star Clock

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Mineral Streak

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Design Challenge: Make a Rube Goldberg Machine

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Melting Crayons

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Does Music Help or Distract from Classroom Learning?

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

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

Design Challenge: Building a Bridge

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

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