1What is renewable energy?
2What is non-renewable energy?
3Name three types of non-renewable energy sources.
4How does solar energy work?
5What are two advantages of wind energy?
6What is hydroelectric power?
7What is geothermal energy?
10What are the three main fossil fuels?
11What is the main environmental problem with fossil fuels?
12Is nuclear energy renewable or non-renewable? Why?
13What are two advantages of solar energy?
14What is a major limitation of wind energy?
15What is the most widely used renewable energy source globally?
16What are two disadvantages of hydroelectric dams?
17How does a wind turbine generate electricity?
18What is the difference between energy efficiency and renewable energy?
20Why is natural gas considered 'cleaner' than coal?
21What is a major advantage of geothermal energy?
22What is the main challenge for solar energy adoption?
23What does 'carbon neutral' mean in the context of biomass energy?
24What is the 'energy return on investment' (EROI)?
25Why can't we replace all fossil fuels with renewables immediately?
26What are 'energy storage' solutions for renewables?
27What is the 'capacity factor' of an energy source?
30What is a 'smart grid' and why is it important for renewables?
31What are two environmental benefits of transitioning to renewable energy?
32What is 'energy density' and why does it matter?
33Name five types of renewable energy sources.