Download Sedimentary Rocks Quiz - cK-12

Sedimentary Rocks Quiz
1) Sedimentary rocks are made from
a) Fragments of other rocks
b) Organic materials
c) Chemical precipitates
d) All of the above
2) Which describes mechanical weathering?
a) Precipitation that creates minerals.
b) Breaking minerals and rocks into smaller pieces.
c) Removal of minerals and rocks by water, wind, ice or gravity.
d) Dissolution of less stable minerals and rocks.
3) Darker sediments form when the environment is oxygen rich.
a) True
b) False
4) Red rocks form when this element is present.
a) Nitrogen
b) Carbon
c) Silica
d) Oxygen
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5) Organic materials in sediments are made from the remains of once-living
organisms.
a) True
b) False
6) Erosion is the process in which sediments are removed and transported by water,
wind, ice, or gravity.
a) True
b) False
7) Streams erode sediments in this way
a) Larger sediments in mountain areas and smaller sediments in flatter regions.
b) Smaller sediments in mountain areas and larger sediments in flatter regions.
c) Larger sediments were streams move slowly and smaller sediments where they move
rapidly.
d) None of the above
8) Landslides drop large piles of sediment due to
a) Wind.
b) Ice.
c) Gravity.
d) Water.
9) Chemical precipitates are made by fragments of other worn down rocks.
a) True
b) False
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10) Minerals are created when
a) Water condenses to form halite and other salts.
b) Water evaporates and mineral components dissolve.
c) Water evaporates and minerals precipitate out.
d) None of these.
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