-After observing all energy demonstrations listed below,write a preliminary working definition ofenergy.
The energy demonstrations are:
1. beaker of water brought to boil over a hot plate orstove.
2. viscous heat pack (you have all seen them work, you do not haveto buy one unless you do not know how they work.
3. popcorn to be popped and eaten (great with your loved one and amovie).
4. battery operated or windup toy car set into motion.
5. children's blocks stacked so that the top block balancesprecariously.
6. spring-loaded mouse trap (don't get your fingers caught).
7. operating a light bulb
8. walk up and down a flight of stairs a few times (no heartattacks please)
9. turn on a hair dryer.
