Across
- 2. How many moons does plant Earth have?
- 3. Type of organic material good for growing plants
- 6. Type of rock formed by weathering
- 7. Metal extracted from bauxite
- 13. The smallest moon of Jupiter
- 15. pH range highers than 7 is described as a
- 16. The biggest planet in the solar system
- 17. Type of rock formed by volcanoes
- 19. The planet we live on
Down
- 1. Metal extracted from galena
- 4. Type of rock formed by the melting of sedimentary rocks
- 5. Fruit that we extracted DNA from
- 8. Type of rock that is dissolved by acid
- 9. Metal extracted from cinnabar
- 10. Metal extracted from haematite
- 11. Short way of writing deoxyribonucleic acid
- 12. Metal extracted from malachite
- 14. pH range less than 7 is described as an
- 18. There is 20% of this gas in the air on earth