WHAT IS HEAT?
Make a list of as many sources of heat you can think of.
Experiment 1: Fill a film can 1/2 way with sand. Put the can on ice for a few minutes. Measure the temperature of sand with a thermometer. Secure the lid and shake the can for three minutes. Then take the temperature again.
Temperature before = _________
Temperature after = _________
Change --------------------= _________
1. What energy caused the temperature to change? _______
Experiment 2: Sand a piece of wood with sand paper.
Describe what you
feel. __________________________________________________________
2. What kind of energy did you feel? ______________________
3. What happens if you sand faster? ______________________
4. What is friction? ___________________________________
5. What is heat? ______________________________________
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