Across
- 4. what boundary makes mountains
- 5. where are volcanoes found
- 9. which plate goes under if cont and oceanic plate collide
- 10. what boundary makes ridges
- 12. what crust is on land
- 13. were are the convection currents
- 14. what makes sedimentary rocks obvious from other rocks
- 15. what boundary makes earthquakes
Down
- 1. what is it called when many volcanoes are in one area
- 2. what is the ring of volcanoes in between Asia,NA,SA,and Australia called
- 3. what crust is in the ocean
- 6. were does heat in the earth come from
- 7. what is magma called above ground
- 8. what has to increase to make a rock metamorphic
- 11. what is it called when old rocks turn into new rocks