SCIENCE

5. a tectonic boundary where two plates are moving away from each other
8. oceanic trenches are formed by the process of subduction
12. hot molten or semifluid rock erupted from a volcano
13. the formation of new areas of oceanic crust
14. destructive plate boundary
16. the binding together of particles or other things by cement
17. discover or reveal through detailed examination
19. the sideways and downward movement of the edge of a plate of the earths crust into the mantle beneath another plate
20. supercontinent that existed during the late Paleozoic

1. an idealized cycle of process undergone by rocks in the earths crust
2. plutonic rock
3. is derived from magma that was poured out or ejected at earths surface
4. places where two of the earths tectonic plates move past one another in the horizontal plane
6. hot fluid or semifluid material below or within the earths crust
7. the process of crystals forming
9. increasing the density
10. the points where two or more tectonic plate meets
11. a continuous moving band of fabric
15. drift movement of the continents across the earth's surface
18. a crack in the Earth's surface