Assessment
Choose the letter of the correct answer. Write you answers on a
separate sheet of paper.
1. How is heat transformed?
A. It travels by waves.
B. It travels only through a medium.
C. It travels from a body having low to high temperature.
D. It travels from a body with high to lower temperature.
2. What kind of energy is present when the speed of moving particles
increases in a substance?
A. chemical
C. mechanical
B. electrical
D. thermal energy
3. 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
4. Heated engine produces heat energy that turns into
A. electrical energy
C. sound energy
D. thermal energy
B. light energy
5. What transformation of energy does a steam engine have?
A heat to light energy
C. heat to electrical energy
B. heat to sound energy
D. heat to mechanical energy​