Sophia Learning
Sophia: Science Lab: Meter Stick Reaction Time
Created to teach students of the 21st century, SOPHIA is bringing science straight to your fingertips. Become the commander of your own learning experiences as you take part in this meter stick reaction time interactive lesson and lab.
National Science Foundation
National Science Foundation: Square Bubbles Shop of Physics
A demonstration of how to create square bubbles using a frame made with plastic straws. [3:29]
Khan Academy
Khan Academy: Are 2 Magnets Stronger Than 1?
A video showing a resource that helps answer the question will the power of two magnets stuck together increase the overall force and why. [0:36]