In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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!

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