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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!