Energy stores and transfers Quiz
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5 questions, one answer each
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1. A skier slides down a slope. Which energy change is happening?
- A. Kinetic to gravitational potential
- B. Gravitational potential to kinetic
- C. Elastic to chemical
- D. Thermal to nuclear
2. What is the unit of energy?
- A. Newton
- B. Watt
- C. Joule
- D. Metre
3. A lamp takes in 50 J and gives out 10 J as light. How much energy is wasted?
- A. 10 J
- B. 40 J
- C. 50 J
- D. 60 J
4. Which statement is correct?
- A. Energy is used up when a battery goes flat
- B. Energy is destroyed by friction
- C. The total energy stays the same during a transfer
- D. Wasted energy disappears
5. Which is a pathway rather than a store?
- A. Chemical
- B. Radiation
- C. Elastic
- D. Nuclear