Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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!

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

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!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

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

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.

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.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

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

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

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.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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.

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

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!

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

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

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

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.