Glencoe Science Level Green

Chapter 3: Rocks

Rocks

1
What are rocks that have changed due to temperature and pressure called?
A)sedimentary rocks
B)metamorphic rocks
C)igneous rocks
D)lava rocks
2
The rock cycle suggests that __________.
A)rocks disappear from Earth as they go underground
B)rocks are always being added to Earth's mass
C)rocks always stay in the same form
D)rocks are continually recycled into different forms
3
What does the term <i>rock removal</i> mean?
A)The rock cycle removes rock by creating or destroying matter.
B)Rock may be carried away by the wind or water, but it is never lost.
C)Chemical elements that make up minerals and rocks are destroyed through erosion.
D)Rock carried away by the wind or water is lost from Earth forever.
4
Why does magma rise to the surface?
A)because magma is less dense than lava
B)because magma is less dense than the surrounding rock
C)because the rocks actually move and force the magma out
D)because magma is more dense than the surrounding rock
5
Why can't humans just make more fossil fuels like coal?
A)because coal is formed over millions of years of compacting materials within Earth
B)because coal is formed from synthetic materials that humans don't have access to
C)because we're not sure what coal is made from
D)because we're not sure how coal is made
6
When minerals act like glue to hold sediments together this is called __________.
A)fermentation
B)cementation
C)mineralization
D)filtration
7
Sedimentary rocks __________.
A)form when sediment is pressed together
B)form from existing rocks
C)often form in layers
D)all answers are correct
8
Felsic rocks are __________.
A)light colored rocks
B)all answers are correct
C)igneous rocks
D)rocks that have a high concentration of silica
9
A rock is a (an) __________.
A)mixture
B)element
C)atom
D)compound
10
What are sedimentary rocks made of?
A)all answers are correct
B)They are made of the remainders of volcanic activity.
C)They are made from almost any matter found in nature.
D)They are formed only underwater.
11
Why does the United States have large areas of limestone?
A)because desert covered much of the country for millions of years
B)because forests covered much of the country for millions of years
C)because seas covered much of the country for millions of years
D)because fields covered much of the country for millions of years
12
How are igneous rocks formed?
A)They are hot magma the moment it is expelled from a volcano.
B)They are formed from sediments that collected in ocean beds.
C)They are formed over many years of pressure and heat within Earth.
D)They are formed from cooled magma.
13
What is rock salt used for?
A)all answers are correct
B)diary products
C)glass and paper
D)soap
14
A metamorphic rock with a foliated texture _________
A)has mineral grains that form no distinct pattern
B)has mineral grains that have lined up in diagonal lines
C)has mineral grains that have lined up perpendicular to each other.
D)has mineral grains that have lined up in parallel lines
15
Intrusive rocks __________.
A)have small mineral grains and are formed beneath Earth's surface
B)have large mineral grains and are formed on top of Earth's surface
C)have large mineral grains and are formed beneath Earth's surface
D)have small mineral grains and are formed on top of Earth's surface
16
Weathering is an example of what kind of breakdown?
A)chemical and physical
B)only mechanical
C)only chemical
D)chemical and mechanical
17
How is shale transformed into slate?
A)Shale collects at the bottom of lakes.
B)Shale cools within Earth's surface.
C)Shale cools on Earth's surface.
D)Shale undergoes intense pressure and temperature changes within Earth.
18
Igneous rocks __________.
A)are the rarest rocks found on Earth
B)are formed in the same way as sedimentary rocks
C)are found mostly on the surface
D)are the most commonly found rocks on Earth
19
Why do chemical sedimentary rocks have a non-clastic texture?
A)because they're not made from pieces of other rocks
B)because they are made from igneous rocks
C)because they are made from volcanic rock
D)because they are made from pieces of other rocks
20
Extrusive rocks __________.
A)have large mineral grains and are formed on top of Earth's surface
B)have large mineral grains and are formed beneath Earth's surface
C)have small mineral grains and are formed beneath Earth's surface
D)have small mineral grains and are formed on top of Earth's surface
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