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

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

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

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

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

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.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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.

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!

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.

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

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

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

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

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

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

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.

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.

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

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.

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

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.

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

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

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

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!