grayson

123456
Across
  1. 5. is stored energy.
  2. 6. has stored energy that is released when burned.
Down
  1. 1. is burned to heat homes and run cars.
  2. 2. comes from the wind.
  3. 3. is material from plants and animals.
  4. 4. is used to make gasoline and diesel fuel for cars and trucks.