Steve Spangler Science: Skateboard Rocket Car
Steve Spangler Science

Use a Mentos® and Diet Coke® Geyser to transform a skateboard into a rocket.

Steve Spangler Science: The Effect of Surface Texture
Steve Spangler Science

Which ramp surface will a marble roll the farthest on?

Lowell Observatory Camps for Kids (LOCKS): Newton's Second Law (Part 2 of 3)
Lowell Observatory

This challenge is for anyone who would like to try it.