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Chapter 2: Earth's Structure Flashcards | StudBud
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Chapter 2: Earth's Structure
Which of the following best describes the asthenosphere?
Diagram: What layer is #7?
Chapter 2: Earth's Structure
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1
Diagram: What layer is #7?
uppermost mantle
asthenosphere
lower mantle
upper mantle
2
Which of the following best describes the asthenosphere?
semi-plastic
liquid
solid
3
Diagram: What layer is # 9?
continental crust
mantle
oceanic crust
asthenosphere
4
Which of Earth's spheres contains all liquid water on Earth?
biosphere
geosphere
cryosphere
hydrosphere
5
Diagram: What layer is #2?
inner core
mantle
crust
outer core
6
Which landform has high relief and high elevation?
plateau
mountain
plain
7
What is the thick middle layer in the solid part of Earth called?
mantle
crust
lithosphere
core
8
Why is Earth's magnetosphere important?
it strengthens Earth's gravitational forces
it protects Earth from cosmic rays & charged particles
it helps with navigation
it traps oxygen in our atmosphere
9
The inner core is ___ where as the outer core is ___.
liquid; liquid
solid; liquid
liquid; solid
solid; solid
10
Earth's core is mostly made up of ___.
lava
rocks
nickel
iron
11
Which of Earth's layers is the least dense?
continental crust
lower mantle
upper mantle
oceanic crust
12
Which of Earth's spheres contains all frozen water on Earth?
cryosphere
biosphere
geosphere
hydrosphere
13
Which two Earth layers are grouped together and also known as the lithosphere?
upper & lower mantle
crust & uppermost mantle
inner and outer core
asthenosphere & crust
14
Which Earth system is Earth's outermost system?
biosphere
geosphere
hydrosphere
atmosphere
15
Which landform has low elevation and low relief?
plateau
plain
mountain
16
Which statement is false about landforms in the United States?
We live in the Atlantic Coastal Plain.
The two major mountain ranges are located along the coasts.
The Appalachian Mountains are younger than the Rockies.
The Interior Plains are located in the center of the USA.
17
What creates Earth's magnetic field?
Earth's spinning core
gravitational forces
differences in density & temperature
atmospheric pressure
18
If an area of land has low relief it means the land is ___.
steep
jagged
flat
close to sea level
19
Which term refers to the shape of a geographic area?
topography
elevation
relief
20
Diagram: What layer is #5?
core
lower mantle
asthenosphere
lithosphere
21
Which of the following is an example of a landform?
all the above
plains
plateaus
mountains
22
What statement about density is false?
More dense materials sink.
The Earth's core is the least dense layer.
It is the amount of mass in a material per unit of volume.
the formula is: D=m/V
23
What is the outermost part of Earth's magnetic field called?
geomagnetosphere
outer space
atmosphere
magnetosphere
24
Which landform has low relief and high elevation?
plateau
plain
mountain
25
Diagram: What layer is # 6?
lower mantle
upper mantle
uppermost mantle
asthenosphere
26
Which two layers together form the largest layer of the Earth?
asthenosphere and lithosphere
inner and outer core
upper and lower mantle
crust and uppermost mantle
27
The Earth is ___ at the poles and ___ at the equator.
flattened; bulges
bulged; bulged
flattened; flattened
bulged; flattened
28
Which of Earth's spheres is the layer of gases surrounding Earth?
biosphere
geosphere
cryosphere
atmosphere
29
The force of gravity between two objects depends on the objects' ...
density
mass
all the above
distance
30
What clue tells us that the center of the Earth is solid?
earthquake waves can't travel to the opposite side of Earth
data collected from wells
observations from deep mines
31
What is a ball shape with all points on the surface at an equal distance from the center?
ball
cube
sphere
circle
32
Which is the largest Earth system?
hydrosphere
biosphere
geosphere
cryosphere
33
Which of Earth's spheres is all living organisms on Earth?
crysphere
hydrosphere
atmosphere
biosphere
34
Which of Earth's spheres is Earth's entire solid body?
atmosphere
hydrosphere
geosphere
biosphere
35
Diagram: What layer is #8?
asthenosphere
uppermost mantle
upper mantle
lithosphere
36
Which term refers to height above sea level?
elevation
relief
contour
topography
37
Diagram: What layer is #4?
core
uppermost mantle
lower mantle
upper mantle
38
What term refers to the difference in elevation in a certain area?
topography
relief
landform
39
Which best describes the upper and lower mantle?
semi-plastic
liquid
solid
40
Diagram: What layers is represented by #1?
asthenosphere
continental crust
lithosphere
oceanic crust
41
The brittle, rocky outer layer of Earth is called the ___.
crust
asthenosphere
mantle
core
42
The inner core spins ___ than the outer core.
faster
slower
almost the same
the same
43
The crust under oceans is called ___ crust and the crust on land is called ___ crust.
hydro; continental
oceanic; continental
liquid; land
oceanic; land
44
Temperature, pressure, and density ___ with depth.
increase
stay the same
decrease