Across
- 5. a natural fuel
- 7. air surrounding earth
- 8. generated by the sun
- 9. animals, sunlight, plants and wind are all
- 10. a dark oil
- 11. black or brownish rock
- 14. moving water
Down
- 1. heat of the earth
- 2. man-made resources
- 3. fossil fuels, metals and minerals are all
- 4. a shiny solid
- 6. animals and plants
- 8. plants need this to grow
- 12. any source of using power
- 13. mineral that has metal