1. Science 8—Chapter 13
Lesson 2
Rocks

2. results when uneven pressures cause flat minerals to line up, giving the rock a layered appearance

3. foliation
results when uneven pressures cause flat minerals to line up, giving the rock a layered appearance

4. a naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter or glass

5. rock
a naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter or glass

6. rock formed from magma or lava when it cools

7. igneous rock
rock formed from magma or lava when it cools

8. individual particles in a rock

9. grains
individual particles in a rock

10. molten rock that erupts onto Earth’s surface

11. lava
molten rock that erupts onto Earth’s surface

12. molten rock when it is inside the Earth
Yellowstone Park Magma Chamber

13. magma molten rock when it is inside the Earth
Yellowstone Park Magma Chamber

14. rock that forms when sediments become pressed or cemented together or when sediments fall out of solution

15. sedimentary rock
rock that forms when sediments become pressed or cemented together or when sediments fall out of solution

16. refers to grain size and how the grains are arranged

17. texture
refers to grain size and how the grains are arranged

18. the process through which sediment turns into rock

19. lithification
the process through which sediment turns into rock

20. rock and mineral fragments that are loose or suspended in water

21. sediment
rock and mineral fragments that are loose or suspended in water

22. the natural process that moves sediments from place to place

23. erosion
the natural process that moves sediments from place to place

24. the breakdown of rocks into smaller particles by natural processes

25. weathering
the breakdown of rocks into smaller particles by natural processes

26. the process that turns parent rocks into metamorphic rocks

27. metamorphism
the process that turns parent rocks into metamorphic rocks

28. rocks that have changed due to temperature and pressure increases

29. metamorphic rock
rocks that have changed due to temperature and pressure increases