Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

This science fair project idea experiments with spinning color wheels and optical illusions.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

How powerful is the reaction between baking soda and vinegar? Find out here!

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

An home science experiment for older students that teaches about the science behind heat.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.