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History of Planet Earth Flashcards | StudBud
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History of Planet Earth
History of Planet Earth
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#4thgrade
Flashcards
20 cards
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Questions
20
Answers
1
_____________ is the movement of plates that make up the Earth's crust
volcanoes
fossils
crust
plate tectonics
2
The Law of Superposition:
says that the colors in different rock layers show the age
helps geologists determine the exact age of rocks
helps geologists determine the relative age of rock layers
says heavier rocks are further down than lighter rocks
3
The ________ is the layer of Earth that has magma
crust
mantle
core
4
The layer just underneath the crust is the
crust
mantle
core
magma
5
Tectonic plates: (more than one answer)
move
float on the mantle
are very thin
don't touch
6
The Ring of Fire may contain many ______________.
rocks
tsunamis
volcanoes
hurricanes
7
The second step in sedimentary rock formation is:
cementation
deposition
compaction
sedimentation
8
The first step in sedimentary rock formation is:
sedimentation
deposition
cementation
compaction
9
What is it called when two plates converge, and one plate slides under the other?
Law of Superposition
Rift Valleys
Subduction
Crunching
10
The remains of a plant or animal is a/an
reminder of the past
bone
fossil
sedimentary rock
11
Which shows the correct order of sedimentary rock formation?
sedimentation, deposition, cementation, compaction
compaction, cementation, deposition, sedimentation
deposition, sedimentation, compaction, cementation
deposition, sedimentation, cementation, compaction
12
Geologists study sedimentary rocks to learn about
people
environments
compaction
math
13
Mountain ranges are usually found where
plates form transform boundaries
oceanic crust converges
continental crust converges
continental crust diverges
14
__________ plates pull apart
convergent
transform
divergent
tectonic
15
This layer of Earth contains many sedimentary rocks
Mantle
Core
Crust
16
When tectonic plates move apart, it is called a:
divergent boundary
convergent boundary
rift valley
subduction zone
17
Fossils are:
living organisms
able to help determine how old rocks are
always the same age
found in the mantle
18
Convergent plates:
create ocean trenches
slide past one another
pull apart
push together
19
The most important characteristic of sediment is:
it floats in water
its color
it sinks to the bottom of water
it soaks up water
20
Which of the following is true about earthquakes?
They are equally likely to happen anywhere on Earth
They do not disrupt rock layers
They tend to occur near plate boundaries
They tend to only occur around the Ring of Fire