Tuesday, December 3, 2013
Science Club: Mechanics
I've always thought gravity was a mighty force. It keeps us on solid ground afterall! Who knew it's actually the weakest among the four basic forces? Serena was able to demonstrate how magnetism beats gravity in this simple experiment.
Does your cereal sometimes taste a bit... metallic? After mixing some ground "iron packed" cereal with water, Serena used a strong magnet to pull from the slurry a minuscule amount of iron (see the black dot?) and move it around at the bottom of the cup.
If you must know, the four basic forces from strongest to weakest are: strong nuclear force, electromagnetism, weak nuclear force, and gravity.