OD3. Unit 9. Get Ready

Which of these uses the wind to make electricity?

• Windmill

• Coal

• Oil

What do we call a group of wind turbines working together?

• Power plant

• Wind farm

• Sailboat

Which of these is used to sail across water using wind?

• Wind turbine

• Sailboat

• Electricity

Which one is a fossil fuel?

• Natural gas

• Windmill

• Wind farm

What do power plants usually make for us to use at home?

• Pollution

• Electricity

• Oil

Which of these can cause pollution when used to make energy?

• Coal

• Wind turbine

• Sailboat

What is often used to power a wind turbine?

• Natural gas

• Oil

• Wind

Which of these is a renewable energy source?

• Windmill

• Natural gas

• Coal

Which energy source is clean and does not cause pollution?

• Wind farm

• Power plant using coal

• Oil

What do we call the black rock often burned for energy?

• Natural gas

• Coal

• Windmill