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CRCT REview 1
Test Description: CRCT
Instructions: Answer all questions to get your test result.
1) Limestone is a sedimentary rock found in South Georgia and North Florida. Limestone is easily weathered and eroded as it contains a mineral that reacts with acid rain and ground water. Which mineral found in limestone easily erodes?
A
quartz
B
gypsum
C
calcite
D
iron
2) Which of the following most likely results in the formation of a fossil?
A
A mesozoic clam is eaten by a large predatory fish
B
A Mesozoic clam is buried by a mudslide.
C
A Mesozoic clam is washed up onto the beach.
D
a Mesozoic clam lies exposed on the surface of the sea floor.
3) What happens to temperature and density from the crust to the core?
A
Decreases (Goes Down)
B
Stays the Same
C
Increases (Goes Up)
4) Organic matter in soil is made from
A
carbon dioxide
B
weathered parent rock
C
decayed plants and animals
D
acid rain
5) Extrusive Igneous rocks have small grains because they
A
cool slowly inside of a volcano
B
cool quickly outside of a volcano
C
form by heat and pressure
D
form by compaction and cementation
6) Sandstone is a sedimentary rock that forms by
A
magma cooling quickly
B
compaction and cementation
C
heat and pressure
D
weathering and erosion
7) Limestone (seashell rock) undergoes heat and pressure to form marble. Marble is a ____ rock.
A
sedimentary
B
igneous
C
metamorphic
D
mineral
8) All rocks can be broken apart by humans, weather, and biological activity (plants and animals). What does the rock become when it is broken
A
sediments
B
metamorphic rock
C
water
D
sedimentary rock
9) All rocks are composed of
A
folding
B
layers
C
fossils
D
minerals
10) Most fossils are found in
A
igneous rocks
B
magma
C
sedimentary rocks
D
metamorphic rocks
*select an answer for all questions
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