Across
- 4. molten mixture of rock forming substances
- 8. form long chains of mountains
- 9. when magma reaches the surface
- 10. pieces of earths crust diverge on land, deep valley
- 11. sea-floor spreading,earth plates
- 13. an ancient organism preserved in a rock
- 14. current flow of heat transfer in a fluid
- 15. heat transfer between touching materials
Down
- 1. energy transferred carried in light rays
- 2. broken pieces separated by cracks
- 3. ocean floor sinks, below deep ocean trench,back in to mantle
- 5. heat transfer by the movement of fluid
- 6. rocks slip past each other, form boundaries
- 7. continents joined together to make a supercontinent
- 12. how much mass in an object