What are fossil fuels made from?

• Rocks and minerals

• Sunlight and wind

• Remains of plants and animals

• Water and air

Which of these is a type of fossil fuel?

• Wind energy

• Hydroelectric power

• Solar power

• Oil

What is a major problem caused by burning fossil fuels?

• They create more trees

• They make the air cleaner

• They cool down the Earth

• They release greenhouse gases

Which fossil fuel is mainly used to heat buildings and water?

• Oil

• Solar energy

• Natural gas

• Coal

What is an alternative to using fossil fuels for energy?

• Burning more coal

• Using more oil

• Renewable energy

• Using more natural gas