Download sed hw 20134

Name _________________________________
Period __________
Sedimentary Rocks HW
HW DUE
Wed. 2/26
Matching: Match the word in column A with the best description in column B. Write the
letter of your answer in the answer column.
Answer
Column A
Column B
1.
Conglomerate
A. Strata
2.
Coal
B. Rounded boulders, pebbles and
cobbles in sand
3.
Rock Gypsum
4.
Shale
5.
Organic Limestone
6.
Breccia
7.
Clastic
8.
Crystalline
9.
Rock Salt
10.
Layers
C. Fragmental
D. Made only of halite
E. Organic carbon
F. Chemical
G. Made of particles <.0004cm,
easily split
H. Made of cemented shell
fragments
I. A rock made from chemical
precipitates and evaporites
J. Angular fragments
True/False:
_____ 11. Sedimentary rocks are the only kind with fossils.
_____ 12. Sedimentary rocks are made of pieces of broken down igneous metamorphic and other sedimentary
rocks.
_____ 13. Fossils can be in shale or organic limestone.
_____ 14. Sediments are held together by cements such as silica, calcite and iron.
_____ 15. .0004cm is smaller than .001cm.
_____ 16. A particle .01cm in size is called sand.
_____ 17. Cobbles are bigger than pebbles.
_____ 18. Sedimentary rocks can be vesicular.
_____ 19. Coal is a rock and is made of minerals.
_____ 20. The layers in sedimentary rocks are formed naturally.