Across
- 3. This makes up 25.7% of the earths crust by weight
- 5. This smells like rotten eggs and comes from the ground
- 6. This makes up 78% of the atmosphere by volume
- 7. This is black and semi metallic
- 10. Lots of drink cans are made of this
- 12. This is the lightest element
- 13. This is the 3rd element on the periodic table
- 16. This mineral is found in milk, grains and protein rich foods
- 18. We must breath this to survive
- 19. Diamond is made of this
Down
- 1. We need this mineral to make our bones healthy and strong
- 2. This is never found free in nature
- 4. This is a colourless, odourless gas
- 7. The symbol for this element is Be
- 8. This is the 9th element on the periodic table
- 9. The symbol for this element is Ne
- 11. When burned this glows bright white
- 14. This is put in swimming pools to kill bacteria
- 15. The symbol for this element is Ne
- 17. This make your voice go funny and high when inhaled