UNIT 3 LESSON 2 – THE ROCK CYCLE NOTES
(PAGES 154 – 165)
1. Rock –
2. Natural processes make and destroy rock. They change each type of rock into other _____________________ of
__________________________.
3. The processes that change rock:
a. Weathering –
b. Sediment -
c. Erosion –
d. What are the four most common erosion agents?
1.
2.
3.
4.
e. Deposition –
f. Temperature and pressure – As pressure increases with depth beneath Earth’s surface, so does
_________________________________
Buried rock under high temperature and pressure can change into a _________________________ rock.
If a rock gets hot enough it will turn into ___________________________________.
Magma –
Lava –
4. List below the 3 kinds of rock. Explain how each forms.
1.
2.
3.
5. Rock classification is based on _______________________________- and ____________________________ it forms.
SEDIMENTARY ROCK
6. Sedimentary rock are composed of
7. Sedimentary rock forms when
1.
2.
7. Sedimentary rocks are named according to the _____________________________- and ______________________
___ __ __________
____________________________________________ they contain.
8. Sandstone -
8. Limestone –
IGNEOUS ROCK
9. Igneous rock forms from cooling _______________________ _______________________.
10. Explain what happens as the magma/lava cools.
11. Explain what determines the size of the crystal.
a. Intrusive igneous rock –
b. extrusive igneous rock –
METAMORPHIC ROCK
17. Metamorphic rocks form when __________________ ____________________________ and
_______________________________ change the _________________________________ and
_______________________________________ content of the rock.
18. Metamorphic rock can be changed in four ways.
1.
2.
3.
4.
19. Gneiss –
THE ROCK CYCLE
20. Any of the three rock types can be _________________________________- into another of the three
________________________
_____________________________.
21. Rocks may follow ______________________________ pathways in the cycle.
22 List four factors that could change the identity of the rock.
1.
2.
3.
4.
23. Where the rock is ________________________________ on the tectonic plate and weather the rock is at Earth’s
______________________________ also influence how it ____________________________- and
___________________________________.
24. Explain below, how each rock type can turn into other rock types in the rock cycle.
a. igneous
b. sedimentary
c. metamorphic
25. Tectonic plate motions can ____________________________________ rock around.
26. Rock that was ______________________________ Earth’s surface may become __________________________ to
wind and rain. ________________________ or ______________________ may be ____________________________.
Rock can also be changed into __________________________________ rock by ______________________________
plate collisions because of increased ______________________________ and ________________________________.
27.Define uplift and explain how this affect erosion.
28. Define subsidence and explain what can be formed when this happens.
29. Rift zone –
a. Where are rifts common?
b. Explain what happens as the rift zone forms.