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Rocks, Minerals, and Fossils Unit Part 2
Rocks, Minerals, and Fossils Unit Part 2
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#6th grade #Rocks and Minerals #Earth Science #Fossils
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What three processes make metamorphic rocks?
heat, pressure, and chemicals
weather, erosion, and deposition
heat, pressure, and melting
melting, cooling, hardening
2
True or False
Fossils can provide evidence about how the Earth's surface has changed over time.
True
False
3
Rock that forms from material settled on the ocean floor.
Metamorphic
Sedimentary
Igneous
4
Which animal part would most likely form into a fossil?
feather
blood
skull
muscle
5
Rock formed when lava or magma cools or hardens
Sedimentary
Metamorphic
Igneous
6
What does -logy mean?
to study
to measure
to rise
to graph
7
The softest mineral on the MOHs scale is ____. It is very powdery.
Quartz
Mica
Topaz
Talc
8
Alan was asked to demonstrate how igneous rock forms with starburst candy. What should he do?
Submerge starburstin water and leave it for a long time.
Melt the starburst and let it cool and harden.
Combine starburst with skittles to make a new candy.
Break the starburst into bits and compact bits together.
9
Molten rock
beneath
Earth's surface
lava/extrusive
magma/intrusive
10
What type(s) of rock can transform into a metamorphic rock?
igneous only
all three types can
sedimentary only
metamorphic only
11
If wind in a desert suddenly blew all the time, the kind of rock that would NOT form.
Igneous
Sedimentary
Metamorphic
12
If you found a fossil of a freshwater animal in the desert, you could conclude
the organism crawled
nothing
the desert was always there
the desert was once water
13
Wind
blowing sand from one location to another
creating sand dunes is an example of
Erosion
Weathering
Deposition
14
If you were asked to demonstrate metamorphosis with starburst candy you would
Submerge starburst into water and leave for a long time.
Mix starburst with skittles to make a new rock.
Melt starburst and let it cool.
Divide starburst into pieces and smash them together.
15
Which type of rock below is a metamorphic rock?
Marble (it changed)
Granite (melted to form)
Limestone (it layered)
16
Type of weathering where the rock's composition is changed.
mechanical weathering
chemical weathering
17
Rock made by WEDCC. (weathering, erosion, depostion, compaction, cementation)
Igneous
Metamorphic
Sedimentary
18
Which is true about a fossil?
both of the statements are true.
a fossil is from something that once lived.
a fossil is preserved remains.
none of the statements are true.
19
Which three processes make, move and stop sediments?
weathering, cementation, compaction
weathering, erosion, deposition
erosion, cementation, compaction
deposition, compaction, cementation
20
What two processes turn sediments into sedimentary rock?
erosion and deposition
compaction and erosion
compaction and cementation
weathering and erosion
21
Which two processes make igneous rock form?
pressure and chemical
heat and pressure
weathering and erosion
melting and cooling
22
Rock you would make if you melted crayon pieces on a hot plate and then poured them to cool.
Metamorphic
Sedimentary
Igneous
23
Metamorphism means
to break down
to melt
to change
to layer
24
Molten rock that surfaced from the earth
magma/intrusive
lava/extrusive
25
What does paleo- mean?
just formed
never lived
really old
really new
26
Before an organism can become a fossil, the organism must be __.
Moved
Relocated
Buried
Eroded
27
Which type of weathering occurs when limestone is broken down by acid?
mechanical weathering
chemical weathering
28
Rock which is MOST LIKELY to form layers
Sedimentary
Igneous
Metamorphic
29
Which type of weathering occurs when a tree's roots break open a rock.
mechanical weathering
chemical weathering
30
Type of weathering where the rock's composition doesn't change; it breaks into smaller pieces.
mechanical weathering
chemical weathering
