Download INV 12B MOTION WITH CHANGING SPEED DRY LAB DATA

ROCKS IN MY HEAD…OR YOURS…
1. The rock cycle starts with ______________________________________, molten rock in the earth.
2. Lava hardens into ____________________________________________________________ rock.
3. Igneous rocks that form from magma cooling under Earth’s surface are called ________________.
4. __________________________________ is a glassy textured igneous rock. A spongy light rock
called ____________________________ forms when gases escape from the top of felsic lava.
5. Clastic rocks are classified by their __________________________________________________.
6. _____________________________________________ results when buried rocks are changed by
increases in heat and pressure over a wide area. In _______________________________________
the only rocks that are changed are those next to a body of magma that has pushed its way into solid
rock.
7. The two metamorphic processes are ___________________________ and __________________.
8. Molten rock at the Earth’s surface is called __________________.
9. Rocks formed from magma are ____________________________________ igneous rocks.
10. How can you tell which is the oldest and which is the youngest in a series of sedimentary layers?
_________________________________________________________________________________
11. Explain how the fossil of a fish formed and ended up on the side of a mountain. (Hint – where do
fish live?) _________________________________________________________________________
_________________________________________________________________________________
Select the rock type that best matches each description. Use I, S, M for each of the 3 major groups.
_____ 12. Regional and contact metamorphism form these rocks.
_____ 13. Shale is the most common form of this type of rock.
_____ 14. These rocks form from magma.
_____ 15. Geodes and fossils may be present in these rocks.
_____ 16. The most common type of this rock is clastic rock.
_____ 17. Both extrusive and intrusive rocks belong to this group.
Listed below are terms that are associated with either extrusive or intrusive igneous rocks. Correctly
identify which are (I) intrusive and which are (E) extrusive.
18. magma _____
21. granite _____
24. fine crystals ____
19. gabbro _____
22. lava _____
25. basalt _____
20. obsidian _____
23. big crystals _____
26. no crystals _____
Decide whether each of the following describes clastic, chemical, or organic rocks and write the
appropriate word in the blank.
__________ 27. Conglomerates are an example.
__________ 28. Chalk is an example.
__________ 29. Sandstones are in this category.
__________ 30. Rocks formed from material that was once living.
__________ 31. These rocks form when a sea or lake dries, leaving minerals that were dissolved in
water.
__________ 32. Shales are in this group.
__________ 33. These rocks are made of fragments of previously existing rocks.
__________ 34. Mineral rich water dripping into caves can form these rocks.
__________ 35. Limestone formed by chemical changes in ocean water is in this category.
__________ 36.Coal is in this category.