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In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Teach your child how butter is created by shaking up cream the old-fashioned way.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

This science fair project idea determines what household items are good conductors of electricity.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.