- 1. Which renewable energy source utilizes heat from within the Earth's crust?
A) Wind B) Solar C) Hydropower D) Geothermal
- 2. Which renewable energy source relies on the earth's water cycle?
A) Solar B) Geothermal C) Hydropower D) Biomass
- 3. What renewable energy source can be generated from organic materials like wood and agricultural waste?
A) Solar B) Nuclear C) Biomass D) Coal
- 4. Which renewable energy source is dependent on the growth of algae and other microorganisms?
A) Hydropower B) Biofuel C) Tidal D) Geothermal
- 5. What is the average lifespan of a wind turbine?
A) 30-35 years B) 40-45 years C) 20-25 years D) 5-10 years
- 6. Which renewable energy source is produced from the movement of ocean currents?
A) Geothermal B) Tidal C) Hydropower D) Solar
- 7. What is the most abundant form of renewable energy on Earth?
A) Nuclear B) Wind C) Biomass D) Solar
- 8. What is a significant challenge for integrating renewable energy into existing power grids?
A) Intermittency B) Pollution C) Cost D) Reliability
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