Tuesday, April 14, 2015

Gravity Rules!

Recently in science, we have been learning about a noncontact force called gravity. In this experiment, we used the force of the air from a hair dryer to overcome the force of gravity.  At the point where the two forces (gravity and the air) balanced, the ball "floated" in the air.
Words you should know: 
force- a push or pull
mass- the amount of matter that in in an object
weight- the affect of gravity pulling on a mass
gravity- a noncontact force that pulls objects towards one another 


  1. The force of the hairdryer is making the ping pong ball overcome gravity


  2. It was realy cool to learn how to use a hairdryer to your atvaning.Cohen


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