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.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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

In this activity your child will create their very own marble maze!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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 get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

Learn all about balance and motion as your child designs a corn maze!

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Help your child make a beautiful homemade sandcastle that will last!

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Help your child celebrate the summer and the sun by making a sandy seascape.

Plants and light seem to be good buddies, but how far does the friendship really go?

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

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.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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!