Name_____________________________________________ Date____________________________ Period__________
Rocks Study Guide Continued
25. Describe the following processes:
a. Weathering
b. Erosion
c. Deposition
d. Compaction
e. Cementation
26. What are the layers in sedimentary rock called?
27. What is the process of rocks being arranged in layers?
28. What is an igneous rock with light color and lots of silica?
29. What is a dark igneous rock with little silica?
30. How are rocks classified?
31. Fill in the igneous rock chart.
Type
location
Cooling rate
Crystal size
texture
Magma or lava
32. Which 2 processes expose buried rock at Earth’s surface?
33. When scientists understand how a rock was formed, they also understand its
texture OR number of minerals.
34. Marble is a igneous OR sedimentary OR metamorphic rock that is foliated OR non-foliated.
35. How does porphyritic igneous rock form?
36. What is the difference between breccia and conglomerate?