Understanding Energy Sources

What is a common factor among turning on a light, using a toaster, and opening a refrigerator?

• They all involve cooking.

• They all produce sound.

• They all use energy.

• They all require water.

What is the primary source of solar energy?

• The sun

• The moon

• The ocean

• The wind

Which of the following is NOT a renewable energy source?

• Solar energy

• Hydropower

• Fossil fuels

• Wind energy

How do wind turbines generate electricity?

• By turning blades with wind power

• By burning fossil fuels

• By using solar panels

• By using geothermal heat

What is a major disadvantage of using fossil fuels?

• They are renewable.

• They are abundant.

• They cause pollution.

• They are clean energy sources.

What are fossil fuels made from?

• Water and air

• Minerals from the earth

• Prehistoric plants and animals

• Recent plant materials

Why is it important to explore renewable energy sources?

• They are more expensive.

• They are unlimited and environmentally friendly.

• They are less efficient.

• They are easier to use.

Which of the following is a benefit of renewable energy sources?

• They will eventually run out.

• They are non-renewable.

• They do not pollute the environment.

• They are harmful to the environment.

What innovation has been developed to reduce reliance on fossil fuels for cars?

• Solar-powered cars

• Gasoline engines

• Steam engines

• Electric cars

What is the main reason for the shift towards renewable energy sources?

• They are cleaner and sustainable.

• They are less efficient.

• They are harder to find.

• They are more expensive.