Across
- 2. noun a place where fresh water comes out of the ground
- 6. noun a very large, round rock in space that goes around the sun, for example Earth or Mars
- 7. noun materials we can burn to make electricity, for example coal and oil
- 10. noun a place for people to leave rubbish
- 12. noun a long, thick piece of wood you use to hold up a roof
- 14. noun a way of making electricity from, for example wind,sun or water power
- 16. noun the energy we use to make machines work
Down
- 1. noun a window in the roof to let light in
- 3. noun something that makes water, air or land dirty
- 4. verb to make a place clean and without litter and pollution
- 5. noun the animals and birds living in a place
- 8. noun a flat piece of glass that catches the sun's energy
- 9. noun soft, wet earth
- 11. verb to hurt something or do something bad to it
- 13. noun paper and other rubbish on the ground
- 15. noun the world around us
