When do metamorphic rocks form?

when heat and pressure change rocks

How does the streak test help to identify different minerals?

sometimes the streak is a different color than the mineral

Why are fossils found in sedimentary rocks and not metamorphic and igneous rocks?

metamorphic & igneous form from forces that destroy fossils

Why is water NOT a mineral?

water is not a solid, so it is not a mineral

Which statement best describes the relationship between rocks and minerals?

rocks are made from one or more minerals

What does the presence of large crystals in an igneous rock indicate?

it cooled slowly from magma below ground

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Earth science review

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Questions 19

Answers

1
When do metamorphic rocks form?
when particles of rock break off at Earth's surface
when lava solidifies in seawater
when layers of sediment are deposited
when heat and pressure change rocks
2
Which of the these would NOT help you classify a mineral?
streak
color
weight
hardness
3
How does the streak test help to identify different minerals?
minerals that leave streaks usually are quartz
if the mineral scratches the tile it is harder than the tile
sometimes the streak is a different color than the mineral
the streak left by the mineral will reveal the crystal shape
4
A piece of limestone is exposed to great pressure. How would you classify the new rock?
igneous
metamorphic
sedimentary
weathered
5
What kind of rocks are produced by volcanic eruptions?
extrusive
foliated
detrital
organic
6
What type of rock is formed from cooling magma?
mixed
igneous
sedimentary
metamorphic
7
What impacts the amount of organic material in the soil?
climate
time
parent rock
topography
8
Striking a mineral with a hammer to see how it breaks is examining the
color
cleavage
luster
hardness
9
In what type of rock are fossils most likely to be found?
granite
igneous
sedimentary
metamorphic
10
Why are fossils found in sedimentary rocks and not metamorphic and igneous rocks?
metamorphic & igneous form from forces that destroy fossils
metamorphic & igneous were formed b4 animals were on Earth
metamorphic & igneous do not contain the correct minerals
metamorphic & igneous form below the ocean
11
Why is water NOT a mineral?
water is not made of rocks, so it is not a mineral
water is not a solid, so it is not a mineral
water is made of molecules, so it is not a mineral
water has specific crystal structure so it is not a mineral
12
Which statement best describes the relationship between rocks and minerals?
when rocks & minerals melt together, sedimentary rocks form
weathering & erosion of rocks creates metamorphic rock
rocks are made from one or more minerals
minerals are made from two or more rock
13
Which of the following must be true for a substance to be considered a mineral?
it must be a gem
it must be glassy
it must be naturally occuring
it must be organic
14
Soil is a mixture of all of the following EXCEPT
organic matter
weathered rock
erosion
pizza
15
What does the presence of large crystals in an igneous rock indicate?
it eroded from large sediments
it eroded from sedimentary rocks
it cooled slowly from magma below ground
it cooled quickly from lava above ground
16
Which is a mixture of weathered rock, organic matter, water and air?
humus
organisms
parent rock
soil
17
Which factor in soil formation deals with the slope of the land?
time
parent rock
climate
topography
18
Which property does NOT help identify a rock?
minerals within th rock
the hardness of the rock
the size of the rock
the size of the crystals within the rock
19
Which of the following processes can cause an igneous rock to turn into sediment?
cementation
compaction
compression
weathering

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