HOMEMADE THERMOMETER

Use the Knowledge that matter expands when it is heated and contracts when it is cooled to make a thermometer. Here is how to do it.

Questions:

1. Which place was the water level the lowest?____________________________

2. Why was the water level the lowest in this place? _______________________
_______________________________________________________________

3. What do molecules do when they are heated? __________________________

4. How could you get the water level in your thermometer to go higher? _____
_______________________________________________________________

5. Anders Celsius invented the celsius scale. What degree did he decide was the
temperature of freezing water? _______ Boiling water? ______

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