What causes tectonic plates to move?

flow of heat in Earth’s mantle by convection

What caused the formation of volcanoes in northern California’sCascade Mountains?

subduction of a converging plate under the N. American plate

Which of the following does NOT support the theory of plate tectonics?

major landmasses hadsplit into smaller pieces.

What happens to the energy that Earth receives from the sun?

It becomes thermal energy and fuels the planet

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Plate Tectonics

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A quiz on chapter 6 section 2 6th grade science

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Questions 15

Answers

1
process by which new oceanic lithosphere forms
magnetic reversal
sea-floor spreading
core
continental drift
2
When tectonic plates converge, what geologic feature can be formed?
rivers
mountains
oceans
earthquakes
3
What are the vibrations produced by an earthquake called?
seismic waves
sonar
fossils
sea floor spreading
4
What causes tectonic plates to move?
flow of heat in Earth’s outer core by convection
flow of heat in Earth’s mantle by convection
flow of heat in Earth’s crust by convection
flow of heat in Earth’s inner core by convection
5
Both continental crust and oceanic crust consist mainly of
iron, calcium, and magnesium
oxygen, silicon, and magnesium
oxygen, silicon, and aluminum
iron, silicon, and magnesium
6
What are Earth’s three layers?
mesosphere, tectonic plates, and lithosphere
crust, mantle, and core
crust, mantle, and lithosphere
lithosphere, mesosphere, and tectonic plates
7
the layer of Earth made mostly of iron
crust
lithosphere
core
fossils
8
What caused the formation of volcanoes in northern California’sCascade Mountains?
subduction of a converging plate under the N. American plate
earthquakes along the San Andreas fault
divergence between two tectonic plates in the Pacific Ocean
the Sierra Nevada batholith
9
Which of the following does NOT support the theory of plate tectonics?
major landmasses hadsplit into smaller pieces.
Fossils of the same species found on different continents.
Earthquakes and volcanoes located on plate boundaries.
The coastlines of continents appear to fit together.
10
process of Earth’s magnetic poles changing places
continental drift
seismic waves
plate tectonics
magnetic reversal
11
The tectonic plates are located in a layer that is
cool and rigid
composed of slow-flowing solid rock
extremely hot and solid, and made of iron and nickel
composed of liquid iron and nickel.
12
the rigid layer of Earth made up of the crust and upper mantle
lithosphere
crust
core
mantle
13
hypothesis that states that the continents were once one large mass that broke apart
magnetic reversal
seismic waves
crust
continental drift
14
What happens to the energy that Earth receives from the sun?
It becomes thermal energy and fuels the planet
It's absorbed by the oceans, where it raises the salt levels
It is absorbed by Earth, causing earthquakes
It's absorbed by the ocean, causing equal ocean temperatures
15
The deep interior of Earth can be mapped using
information from drilling expeditions
ocean waves
sonar
seismic waves

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