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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

In this project children practice the scientific method while playing with puffy paint.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this project, a basketball containing different psi is dropped to see how well it bounces.

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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Learn all about balance and motion as your child designs a corn maze!

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

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.