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Earth's Processes Test Part 2 Flashcards | StudBud
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Earth's Processes Test Part 2
Earth's Processes Test Part 2
34 terms
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StudBud Administration
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science plate boundaries #gwd50
Flashcards
34 cards
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Questions
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Answers
1
The circular paths shown by the black arrows represent ________currents in the Earth's mantle
electric
conduction
convection
radiation
2
In mantle convection currents, hotter rock moves_____, while cooler rock moves________.
downward, upward
downward, sideways
upward, downward
sideways, upward
3
Earth's compositional layers starting with Earth's center and ending with the outermost layer?
crust, mantle,core
mantle, crust, core
core, mantle, crust
crust, core, mantle
4
Which 2 elements are the most abundant in the Earth's crust?
silicon and oxygen
silicon and magnesium
iron and nickel
iron and magnesium
5
The process of ________built up the sand dunes.
deposition
erosion
chemical weathering
physical weathering
6
Which of the following processes operates at the Earth's surface?
plate tectonics
pressure and heat
weathering
melting
7
What is often formed when 2 continental plates collide?
craters
rift valley
islands
mountains
8
Which layer of the Earth is the coolest in temperature?
the mantle
the crust
the inner core
the outer core
9
Which ore is important for manufacturing of soft drink cans?
galena
cinnabar
bauxite
uraninite
10
What provides the most evidence the most evidence for the theory of plate tectonics?
the spreading of the sea floor
the changing of the seasons
the coloring of the city moths
the locations of the glaciers
11
The Earth's core is made of 2 parts--inner and outer core. The inner core is made mostly of
liquid metal
nonmetallic gas
solid metal
nonmetallic liquid
12
Which of the following is the densest layer of the solid Earth?
atmosphere
crust
core
mantle
13
Acidic water breaks down limestone & form caves. This is ___, which happens ___over time.
chemical weathering, slowly
physical weathering, quickly
chemical weathering, quickly
physical weathering, slowly
14
What agent can cause both erosion and deposition?
moving ice
running water
wave action
all of these
15
Most of the Earth's volume is contained in the _______.
crust
inner core
outer core
mantle
16
The two most abundant elements in Earth's core are
iron and magnesium
nickel and silicon
iron and nickel
silicon and oxygen
17
Which of Earth's layers is the thinnest?
crust
mantle
outer core
inner core
18
When a boulder cracks in half b/c water freezes and thaws over time. What process has occurred?
physical weathering
deposition
erosionSUBMIT
chemical weathering
19
How are igneous rocks formed?
Compaction, and cemention.
Molten rock cools and turns solid.
Other rocks experience intense heat and pressure.
Wastes deposited by plants & animals decompose and weather.
20
Movements of lithospheric plates...
occur due to human activity
occur in one sudden movement
occur gradually over millions of years
do not change the Earth's surface at all
21
Black - tectonic plates move Red - convection currents. Which of the following is true?
Tectonic plates move in only one direction.
Convection currents & plates move in the same directions.
Convection currents & plates move in opposite directions.
Convection currents move in only one direction.
22
Larger rocks are broken into smaller rocks through___-& carried away by__.
weathering; deposition
erosion; weathering
weathering; erosion
erosion; deposition
23
Look at the diagram below. What label should be placed at number 2?
mineral integration
cooling
melting
cementation
24
According to the diagram above, how are sedimentary rocks formed?
Wastes deposited by plants &animals decompose and weather.
Molten rock cools and turns solid.
Sand & other particles are buried, compacted, & cemented.
Other rocks experience intense heat and pressure.
25
The hard and brittle outer layer of the Earth is known as the __________.
mantle
core
lithosphere
atmosphere
26
Which of Earth's layers is shown by the number 4 in the diagram below?
crust
mantle
outer core
inner core
27
Which could be directly formed by the movement of the Earth's plates?
II and III only
I and II only
II, III, and IV only
I, II, and III only
28
The darker green shows similar fossils. What do the locations of the fossils suggest?
Each continent has completely unique plant and animal life.
Similar fossil types aren't found on different continents.
The continents' locations have remained the same over time
The continents were once connected to each other
29
When 2 plates collide, sometimes one plate slides under the other. When this happens...
material from Earth's surface is returned to the interior.
weathering and erosion work to build mountain ranges
the process of melting returns material to Earth's surface
material from Earth's interior is always returned to surface
30
If John and Amy make a graph where should the label "Crystal size (mm)" be placed?
y axis
x axis
31
What's the independent variable?
the amount of salt
the temperature of the water
the size of the crystals
32
Which of the following is a chemical property of fossil fuels?
density
phase of matter
dark color
ability to burn
33
Which of the following is true of plate tectonics?
The Earth's lithosphere is made up of tectonic plates.
The Earth's mantle is made up of tectonic plates
The Earth's mantle is made up of continents.
The Earth's lithosphere is entirely made up of liquid magma.
34
Judging from the diagram, where are most ocean trenches located?
at the boundary between 2 plates
at the center of continental plates
at the center of oceanic plates
beneath very wide mountain ranges
