Curated OER
Pendulums
Pendulums are simple, yet engaging demonstrations of harmonic motion. Dr. Carlson uses a very large example of a pendulum: a bowling ball on a string hanging from the ceiling! Learn from Dr. Carlson how you can teach about the strength...
Steve Spangler Science
Screaming Balloon - Sick Science! #161
Spangler uses balloons and hex nuts to demonstrate centripetal force and how to make a balloon "scream." He places a nut inside a balloon before blowing it up. Then, once the balloon is tied, he begins to spin the balloon around. A force...
Steve Spangler Science
Marble Gravitron - Sick Science! #023
Entertain and educate physics pros with this activity. They place a marble in a wine glass, get it spinning, and then turn the glass upside down. As long as it spins, centripetal force keeps the marble from falling out! Show this video...
Curated OER
Centripetal Force
Watch this quick demo of ways to show centripetal force to get ideas for your class! The man in the video demonstrates three different ways to experiment with centripetal force using simple materials like balloons, pennies, and cups of...