sily on a truck
correct
ple machine
center?
10. Johnny is mowing the lawn. What form of energy is involved?
A chemical energy
C. light energy
B electrical energy
D. nuclear energy
11. What is the process of changing one form of energy into another to make it useful?
A kinetic energy
C. radiation
B В energy transformation
D. convection
12. Which of these shows heat transfer by conduction?
A a well-ventilated room
C. boiling water on the gas stove
Bstaying near a fireplace
D. a spoon in a glass of hot coffee
13. Keisha loves sunbathing at the beach. What method of heat transfer is shown?
A conduction
C. radiation
B convection
D. energy transformation
14. What form of energy is stored in wet cells?
A kinetic energy
C. nuclear energy
B. potential energy
D. chemical energy
15. Justine released the arrow from the bow. What energy did the arrow have?
A heat energy
C. light energy
B. kinetic energy
D. sound energy
16. Energy is neither created nor destroyed. What is this statement referring to?
A. Law of Inertia
C. Law of Transformation
B. Law of Motion
D. Law of Conservation of Energy
17. Which energy transformation is shown when a boy rides on his bicycle?
A mechanical energy
sound energy
B chemical energy
electrical energy
C. electrical energy
mechanical energy
D. chemical energy
mechanical energy
18. How can you conserve electricity at home?
A. Watch the television regularly
B. Iron the clothes slowly and carefully
C Switch off appliances when not needed
D Turn on the air conditioner during cold season
19. The ice cubes slowly melted. What form of energy acted on it?
A chemical energy
C. nuclear energy
B. heat energy
D. light energy
20. Which energy transformation occurs in an electric iron?
A heat to light
C. heat to electrical
B. light to heat
D. electrical to heat