By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

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

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

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

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science experiment has students test whether a snail moves faster on concrete or dirt.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!