⚡ Part 1: Multiple Choice

📝 Part 2: Fill in the Blanks & Short Answers

_____________ energy sources can be replaced naturally and will not run out, while _____________ energy sources take millions of years to form and will eventually be used up.

🔍 Part 3: Critical Thinking

📋 Answer Key

1. Solar power

2. It never runs out

3. Coal, Oil, Natural gas

4. Solar panels

5. Renewable, Nonrenewable (or Fossil fuel)

6. Sample answer: Advantage - readily available and reliable; Disadvantage - causes pollution and will run out

7. Sample answer: Water flows through the dam, turning turbines that generate electricity

8. Sample answers: Turn off lights when not in use, unplug electronics, use energy-efficient appliances, adjust thermostat, use natural light

9. Sample answer: Solar (clean and renewable), Wind (no pollution), Hydroelectric (reliable) - answers will vary

10. Sample answer: Similarities - both renewable, both clean; Differences - solar needs sunlight/wind needs wind, solar panels vs. turbines