This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Engineers in training can get started with this simple wheel-and-axle construction activity.

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.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!