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Name__________________________________________________________ Date________________________________ Hour ___________
Study guide: Rock Cycle and Igneous Rock
1.
2.
The composition of magma is like_______________.
a. toothpaste
b. a fruit smoothie
c. a 7-11 Slurpee
The figure above shows that the
processes involved in the rock cycle
include all of the following EXCEPT
_____________.
a. condensation
b. erosion
d. liquid cleanser
c. weathering
d. compaction
3.
The rock cycle in the figure above indicates that each type of rock can____________
a. provide materials to make other rocks
b. form into other rocks
c. be changed by forces below or above Earth’s surface
d. all of the above
4.
The figure above shows that sedimentary rocks are changed to sediments by __________________
a. compaction
b. weathering, erosion & deposition
c. cementation
d. heat and pressure
5.
The molten material deep inside Earth from which igneous rocks form is called_________________.
a. magma
b. lava
c. neither a nor b
d. both a and b
6. The molten material on the Earth’s surface from which igneous rocks form is called ________________.
a. magma
b. lava
c. sediment
d. fire
7. The crystals that form in slowly cooled magma produce __________________ mineral grains
a. tiny
b. invisible
c. smooth
d. large
8. The crystals that form in quick cooling lava produce __________________ mineral grains
a. tiny
b. medium
c. coarse
d. large
9. The chemical or mechanical process that breaks down and changes rocks on or near the Earth’s surface.
a. erosion
b. weathering
c. deposition
d. transportation
Match the correct definition with the correct term. Write the letter in the space provide.
_________ 10. solid mixture of crystals of one or more minerals
a. composition
_________ 11. process by which sediment is removed from its source
b. rock
_________ 12. the chemical makeup of a rock
c. erosion
_________ 13. process by which sediment is dropped and comes to rest
d. texture
_________ 14. size, shape, and position of grains that make up a rock
e. deposition
Use the rock cycle diagram on the other side to help answer questions 15-17
15. What two processes must happen for a metamorphic rock to form?
_________________________________ and ______________________________
16. What two processes must happen for an igneous rock to form?
_________________________________ and ______________________________
17. What two processes must happen for a sedimentary rock to form?
_________________________________ and ______________________________
18. Explain in complete sentences where extrusive rocks are formed, from what substance they form from, what type of
crystals (size) they have and what causes the crystals to form in this way. (basalt and obsidian) ( 4 points)
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19. Explain in complete sentences where intrusive rocks are formed, from what substance they form from, what type of
crystals (size) they have and what causes the crystals to form in that way. (granite) (4 points)
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20. What cause vesicular rocks to form? (pumice) (how do they form) complete sentence(s) (2points)
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21. What causes porphyritic (large and small crystals) rocks to form? (how do they form) complete sentence(s) (3 points)
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