Glencoe Science Level Green

Chapter 3: Rocks

Section 4 Self-Check Quiz-Eng.

1
Sedimentary rocks __________.
A)all of the above
B)form when sediment is pressed together
C)often form in layers
D)form from existing rocks
2
What are sedimentary rocks made of?
A)They are made of the remainders of volcanic activity.
B)They are formed only underwater.
C)They are made from almost any matter found in nature.
D)all of the above
3
Weathering is an example of what kind of breakdown?
A)chemical and mechanical
B)only chemical
C)only mechanical
D)chemical and physical
4
When minerals act like glue to hold sediments together this is called __________.
A)cementation
B)fermentation
C)mineralization
D)filtration
5
Why do chemical sedimentary rocks have a non-clastic texture?
A)because they are made from pieces of other rocks
B)because they are made from volcanic rock
C)because they are made from igneous rocks
D)because they're not made from pieces of other rocks
6
Why does the United States have large areas of limestone?
A)because fields covered much of the country for millions of years
B)because seas covered much of the country for millions of years
C)because desert covered much of the country for millions of years
D)because forests covered much of the country for millions of years
7
What is rock salt used for?
A)all of the above
B)glass and paper
C)soap
D)dairy products
8
Why is organic sedimentary rock often rich in the mineral calcite?
A)because plants often accumulate on ocean floors
B)because ships often dump calcite on ocean floors
C)because animals with shells often accumulate on ocean floors
D)because ocean floors contain calcite
9
Why can't humans just make more fossil fuels like coal?
A)because we're not sure how coal is made
B)because coal is formed over millions of years of compacting materials within Earth
C)because we're not sure what coal is made from
D)because coal is formed from synthetic materials that humans don't have access to
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