Rocks
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. minerals
A. Plutonic igneous rock having visibly crystalline texture
2. rocks
B. A sedimentary rock consisting of sand consolidated with some cement
3. crust
C. United States baseball player
4. mantle
D. How tightly packed the matter in something is
5. core
E. Condition in which the earth's surface is worn away by the action of water and wind
6. volcano
F. A sedimentary rock formed by the deposition of successive layers of clay
7. earthquake
G. The central part of the Earth
8. plate tectonics
H. The breakdown or alteration of rock at or near the surface of the Earth.
9. density
I. The commonest type of solidified lava
10. porous
J. Rock that in its molten form issues from volcanos
11. weathering
K. Molten rock in the earth's crust
12. erosion
L. Able to absorb fluids
13. lava
M. The remains of a plant or animal that existed in a past geological age and that has been excavated
14. magma
N. Hard outer layer of the Earth or of bread
15. fossil
O. Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (plural)
16. basalt
P. The branch of geology studying the folding and faulting of the earth's crust
17. granite
Q. A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
18. sandstone
R. Hard piece of stone (plural)
19. shale
S. A sudden shaking of the ground caused by movement within the Earth.
20. limestone
T. Mountain that erupts with lava