Answer:

7. A steam engine transforms

a. heat energy into sound energy

b. electrical energy into sound energy

C. heat energy into mechanical energy

d. mechanical energy into heat energy

8. It is used in harnessing electrical energy by utilizing the heat

frapped inside the Earth's interior.

a. geothermal power plant

b. solar panels

c. hydroelectric power plant

d. nuclear power plant

9. What transformation of energy does a steam engine have?

a. heat to light energy

b. heat to electrical energy

c. heat to sound energy

d. heat to mechanical energy

10. Which among the following is an example of heat energy being

transformed into mechanical energy?

a. moving cars

b. trimming grass

c. raising flag

d. washing the dishes

7.C.

8.D.

9.A.

10.B.

Explanation:

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