First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity, your child will be challenged to make a tower using paper cups.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this design challenge, your child will make a bottle rocket using typical household items.

Have your child kick off their summer vacation by making a miniature water slide!

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