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This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Here's a science activity to help your child investigate how seeds are designed to travel.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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