Which is an example of mechanical weathering?

tree roots breaking a rock apart

Which BEST describes how volcanic eruptions can form new islands?

underwater volcanoes erupt, releasing magma that hardens and builds up

The oldest rocks at the bottom of the ocean floor

are found farthest away from the rift valley

Which BEST describes the impacts of a volcanic eruption on the carbon cycle?

A volcanic eruption increases the amount of carbon in the atmosphere

Which type of earthquake would more devastating?

a 7.8 magnitude with a shallow focus

How does the removal of vegetation increase erosion?

the roots of trees help bind the soil together

What process is necessary for a metamorphic rock to turn igneous?

melting and then cooling of magma

Humans can decrease erosion by

planting more trees on mountainsides

What are 5 necessary processes for an igneous rock to turn sedimentary?

weathering, erosion, deposition, compaction, cementation

two continental plates colliding at a convergent boundary

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Questions 30

Answers

1
How many seismic stations are needed to determine the epicenter of an earthquake?
4
3
2
1
2
Which letter is the focus?
C
B
A
3
Volcanoes and earthquakes occur near
the equator
plate boundaries
in the middle of a plate
4
Which is an example of mechanical weathering?
an illegible gravestone
acid rain destroying a statue
tree roots breaking a rock apart
rust on a car
5
Which type of rock is likely to be found on the slope of a volcano?
metamorphic
sedimentary
igneous
6
Which BEST describes how volcanic eruptions can form new islands?
dust from volcanic eruptions settles on the water, forming large rocks
underwater volcanoes erupt, releasing magma that hardens and builds up
craters from previous volcanic eruptions erode to form islands
they cause earthquakes that break landforms into separate islands
7
P waves
arrive last at the seismograph
move back and forth
move slower than S waves
move up and down
8
Quiet, nonexplosive volcanoes form at
divergent plate boundaries
hot spots
transform fault boundaries
convergent plate boundaries
9
The oldest rocks at the bottom of the ocean floor
are found closest to the rift valley
formed in the Atlantic Ocean
are found farthest away from the rift valley
formed 0.7 million years ago
10
S waves
move back and forth
can not travel through liquid
arrive at the seismograph last
are faster than a P wave
11
In which type of climate is there more chemical weathering?
cold, dry
hot, dry
cold, wet
hot, wet
12
Which BEST describes the impacts of a volcanic eruption on the carbon cycle?
A volcanic eruption prevents the carbon cycle from occurring.
It decreases the amount of carbon in the geosphere.
It increases the number of other elements involved in the carbon cycle.
A volcanic eruption increases the amount of carbon in the atmosphere
13
Which is an example of chemical weathering?
rust on a bike
tree growing out of a rock
a pothole in the road
person breaking a rock with a hammer
14
__________, found in the asthenosphere, drive plate motion.
seismic waves
water
liquid iron
convection currents
15
Which type of earthquake would more devastating?
a 7.8 magnitude with a deep focus
a 4.8 magnitude with a deep focus
a 7.8 magnitude with a shallow focus
a 4.2 magnitude with a shallow focus
16
How does the removal of vegetation increase erosion?
trees take in CO2 and the soil would have more CO2
trees give off oxygen and soil would have less oxygen
the roots of trees help bind the soil together
17
What process is necessary for a metamorphic rock to turn igneous?
compaction and cementation
weathering and erosion
melting and then cooling of magma
heat and pressure
18
Another name for the A horizon is:
topsoil
bedrock
subsoil
partially weathered bedrock
19
Seafloor spreading __________ocean crust
destroys
creates
20
Explosive volcanoes are found at
convergent plate boundaries
divergent plate boundaries
transform fault plate boundaries
hot spots
21
Sedimentary rocks are likely to be found
along a river
deep inside a mountain
on the slope of a volcano
22
Humans can decrease erosion by
living in hot wet climates
planting more trees on mountainsides
building houses on oversteepened slopes
cutting down more trees on mountainsides
23
At which type of plate boundary would you find seafloor spreading?
divergent
transform fault
convergent
24
What are 5 necessary processes for an igneous rock to turn sedimentary?
solidification, heat, pressure, weathering, erosion
weathering, erosion, deposition, compaction, cementation
heat, pressure, compaction, cementation, deposition
deposition, weathering, erosion, solidification, melting
25
An earthquake that occurs at the bottom of the ocean floor can cause
tsunamis
tides
P waves
tidal waves
26
An instrument that measures earthquake intensity is called
a seismogram
a seismograph
a richter scale
a barometer
27
Mountains form from
two oceanic plates colliding at a convergent boundary
two continental plates spreading at a divergent boundary
two continental plates colliding at a convergent boundary
two oceanic plates spreading at a divergent boundary
28
Which is not a cause of soil degradation?
mining
overgrazing of animals
planting more trees
agriculture
29
Molten rock inside the Earth is called:
silicon
magma
lava
iron
30
Subduction zones are found at:
divergent plate boundaries
convergent plate boundaries
hot spots
transform fault plate boundaries

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