1. What is the primary form of energy stored in food?
a) Kinetic Energy
b) Potential Energy
c) Chemical Energy
d) Thermal Energy
Answer: c) Chemical Energy
2. Which type of energy is possessed by a moving car?
a) Potential Energy
b) Kinetic Energy
c) Chemical Energy
d) Thermal Energy
Answer: b) Kinetic Energy
3. When a rock is held at the top of a hill, what type of energy does it primarily possess?
a) Kinetic Energy
b) Potential Energy
c) Chemical Energy
d) Thermal Energy
Answer: b) Potential Energy
4. According to the Law of Conservation of Energy, energy cannot be created or destroyed, only ________ from one form to another.
a) Eliminated
b) Transformed
c) Increased
d) Decreased
Answer: b) Transformed
5. What type of energy conversion occurs when you turn on a light bulb?
a) Electrical to Thermal
b) Thermal to Mechanical
c) Mechanical to Chemical
d) Electrical to Mechanical
Answer: a) Electrical to Thermal
6. In a hydroelectric power plant, what type of energy is converted into electrical energy?
a) Kinetic Energy
b) Potential Energy
c) Chemical Energy
d) Thermal Energy
Answer: b) Potential Energy
7. What type of energy conversion happens when you rub your hands together to warm them up?
a) Mechanical to Thermal
b) Thermal to Chemical
c) Chemical to Kinetic
d) Electrical to Mechanical
Answer: a) Mechanical to Thermal
8. When a car engine burns fuel, what are the primary types of energy conversion involved?
a) Chemical to Kinetic and Thermal
b) Kinetic to Chemical
c) Electrical to Kinetic
d) Potential to Electrical
Answer: a) Chemical to Kinetic and Thermal
9. Which of the following is an example of energy conservation in a closed system?
a) A pendulum swinging in a vacuum
b) A car speeding up on a highway
c) A heating element in a toaster
d) A burning candle
Answer: a) A pendulum swinging in a vacuum
10. When you stretch a rubber band and then let it go, what type of energy conversion occurs?
a) Potential to Kinetic
b) Kinetic to Potential
c) Chemical to Thermal
d) Thermal to Electrical
Answer: a) Potential to Kinetic
11. In photosynthesis, plants convert which type of energy into chemical energy?
a) Kinetic Energy
b) Thermal Energy
c) Light Energy
d) Electrical Energy
Answer: c) Light Energy
12. What happens to the mechanical energy of a roller coaster as it ascends to the top of a hill?
a) It decreases
b) It increases
c) It remains constant
d) It transforms into thermal energy
Answer: a) It decreases
13. What is the primary energy conversion in a battery-powered flashlight?
a) Chemical to Electrical to Light
b) Electrical to Thermal to Mechanical
c) Chemical to Thermal to Kinetic
d) Kinetic to Chemical to Electrical
Answer: a) Chemical to Electrical to Light
14. During the combustion of fossil fuels, which forms of energy are primarily released?
a) Kinetic and Chemical
b) Thermal and Kinetic
c) Electrical and Potential
d) Potential and Chemical
Answer: b) Thermal and Kinetic
15. In a wind turbine, what type of energy conversion is taking place?
a) Kinetic to Electrical
b) Electrical to Kinetic
c) Chemical to Kinetic
d) Potential to Thermal
Answer: a) Kinetic to Electrical