What does a car do to the air?
pollute
A group of wind turbines is called a?
wind farm
What boat uses wind energy?
sailboat
What did people use to grind flour?
A windmill
What powers our homes?
Electricity
Where is a subway?
underground
Superman has many _________
powers
What is the word to describe how water moves?
flows
What is another word for pull?
haul
What happens when you empty water from a bath?
It gets drained
What is electricity?
Energy
What energy comes from the sun?
solar