Across
- 4. a type of igneous crystal that often forms in geometric shapes
- 5. the inner most layer of the earth
- 9. fools gold
- 11. rocks and minerals formed from magma and lava
- 12. these rub together under the crust and cause earthquakes
- 13. lava that is under the surface of the earth
- 15. a rare metal used in technology
- 16. the name of the child cobalt miner in the Congo
- 17. it comes from rocks and ore
Down
- 1. an alloy made of tin and copper
- 2. type of rocks formed from pressure & heat
- 3. the layer of the earth we live on
- 6. type of rocks that form from sand and soil
- 7. we make rechargeable batteries with this
- 8. the ____ Age
- 10. It used to be magma
- 14. the most valuable metal in the world