Seismic waves reveal information about Earth’s interior because they travel

at different speeds through different materials

Both continental drift and plate tectonics?

are theories that explain how Earth's plates form

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Earth Science Review

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Earth Science review for plate tectonics, layers of the Earth, and earthquakes for 8th grade.

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Questions 20

Answers

1
The slowest type of seismic wave is?
Primary Wave
Ground wave
Surface wave
Secondary wave
2
Which layer of the Earth consists mostly of Fe?
Mantle
Continental crust
Core
Oceanic crust
3
At which location are earthquakes most likely to happen?
in the middle of the ocean
Convergent
Divergent
Transform
4
Earth's magnetic field is created by?
Outer Core
Mantle
Inner Core
Crust
5
Which type of seismic wave indicates that the outer core is not solid?
Secondary
Surface
Primary
Raleigh
6
When two continental plates collide, what can form?
rift valleys
islands
Mountains
trenches
7
The mantle is divided into?
The upper and lower mantle
The top and bottom mantle
The asthenosphere and mesosphere.
The inner and outer mantle
8
The seismic wave that causes the most visible damage is?
Secondary wave
Surface wave
Primary wave
Shear wave
9
The San Andrea's Fault sits on a ____________ Boundary.
Divergent
Transform
left lateral
Convergent
10
A volcanic rock is called?
Sedimentary
Lava
Metamorphic
Igneous
11
A ____________ zone forms earthquakes and volcanoes?
Divergent
Subduction
Spreading
tranforming
12
Seismic waves reveal information about Earth’s interior because they travel
only in straight lines
at different speeds through different materials
at the same speed as sound
only through liquids and gases
13
Which layer is the densest?
crust
mantle
outer core
inner core
14
Which land form is most likely to form where two oceanic plates move apart?
Fault
mid-ocean ridge
folded mountain
fault-block mountain
15
A sandstone is an example of which type of rock?
Beach
Sedimentary
Igneous
Metamorphic
16
Which layer of the Earth resembles laffy taffy or silly putty?
core
mantle
lithosphere
crust
17
The earthquake scale we use in the U.S.A. is?
Moment-magnitude Scale
Richter Scale
Rikater Scale
Mercalli Intensity Scale
18
Which layer of the Earth is liquid?
Mantle
Crust
Outer Core
Inner Core
19
Which type of plate boundary produces strike-slip?
right lateral
Transform
Convergent
Divergent
20
Both continental drift and plate tectonics?
are used to explain weather patterns
are theories that explain how Earth's plates form
help explain how Earth's surface has changed over time
are processes that cause convection in the asthenosphere

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