The Heat Is On
Instructions: Please read pages 424-429 to answer #1-6. Then review 431-433 to answer #7. Finally, read 435-438 to answer # 8-12. Write complete sentence answers on a separate sheet of paper.
1. What was most eighteenth century scientists' explanation for heat?
2. Describe a phenomenon science is currently trying to explain BUT may find out in the future that they are wrong about it. Can science find the answer to all questions?
3. What did Benjamin Thompson observe that helped him arrive at his theory about heat?
4. What logical statement about heat did he arrive at as a result of his observations?
5. What is the current scientific definition of heat?
6. Summarize each of the three ways that heat can be transferred: Include a real-life example of each type of heat transfer:
7. (to see if you remember) Why is heat not the same thing as temperature?
8. What is a calorie? What are its units?
9. If you had 200 mL of water and you heated it from 10 to 20C, how many calories of heat would you have used?
10. What is specific heat? Can it be used to identify a substance?
11. Do practice problem number one on page 437
12. If you were given:
The chart on page 436
20 gram piece of metal
A hot water bath to heat the metal to 100C,
****How would you use the equipment to find the specific heat of the piece of metal?