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.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

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 science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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.

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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea examines the reason boats are shaped and engineered.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.