Page 59 - Science Course 1 (Book 2)

Mo8-L3: Key Concept Check

Direction: Answer each question or respond to each statement in the space provided.

Question Answer

1. What is a heat engine?

2. Describe the conversion of energy in a heat
engine.

3. What type of heat engine is used by most cars,
buses, boats, trucks, and lawn mowers?

4. What is a cylinder?

5. What role does chemical energy play in a heat
engine?

6. Explain the following statement: A heat engine
is not ef cient.

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