quiz 4 .docx

**Quiz 4** 1. **How does wind energy generate power?** - **Answer: By converting the kinetic energy of moving air into mechanical energy using turbines.** 2. **What are two benefits of using hydropower?** - **Answer: Renewable and reduces greenhouse gas emissions.** 3. **...

**Quiz 4** 1. **How does wind energy generate power?** - **Answer: By converting the kinetic energy of moving air into mechanical energy using turbines.** 2. **What are two benefits of using hydropower?** - **Answer: Renewable and reduces greenhouse gas emissions.** 3. **What is solar energy?** - **Answer: Energy from the Sun.** 4. **What is biomass?** - **Answer: Organic material used as a fuel source.** 5. **What are two benefits of using biomass energy?** - **Answer: Renewable and reduces waste.** 6. **What causes heat energy to flow?** - **Answer: Differences in temperature.** 7. **What are two benefits of using geothermal energy?** - **Answer: High efficiency and low environmental impact.** 8. **How does tidal/wave energy generate power?** - **Answer: By using the kinetic energy of moving water to drive turbines.** 9. **What is hydropower?** - **Answer: Energy derived from the movement of water.** 10. **What is nuclear energy?** - **Answer: Energy released during nuclear fission or fusion.** **Quiz 5** 1. **What is a source of Hydropower energy?** - **Answer: Water in rivers or dams.** 2. **What are the main environmental benefits of using renewable energy sources over non-renewable ones?** - **Answer: They reduce greenhouse gas emissions and pollution.** 3. **What is a major disadvantage of using geothermal energy?** - **Answer: It is location-dependent.** 4. **What is a major disadvantage of using hydropower?** - **Answer: Interference with aquatic ecosystems.** 5. **What does the BER rating assess?** - **Answer: The energy efficiency of buildings.** 6. **Why is nuclear energy considered non-renewable?** - **Answer: It relies on uranium, which is finite.** 7. **What is the BER rating?** - **Answer: Building Energy Rating, assessing the energy efficiency of a building.** 8. **How is magnetic energy created?** - **Answer: By the movement of charged particles.** 9. **What is heat energy?** - **Answer: Energy transferred between objects due to temperature difference.** 10. **What is sound energy?** - **Answer: Energy produced by vibrations in a medium.**