Inside The Earth Question Preview (ID: 49572)
14.1.
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What is the outermost layer of the Earth called?.
a) core
b) lithosphere
c) asthenosphere
d) mesosphere
What is the liquid layer of the Earth’s core called?
a) lithosphere
b) mesosphere
c) inner core
d) outer core
The mantle is denser than the crust because it contains more
a) iron
b) magnesium
c) silicon
d) oxygen
The core consists mainly of
a) iron
b) magnesium
c) silicon
d) oxygen
Seismic waves travel through Earth’s layers at different speeds depending on the
a) density
b) mass
c) area
d) shape
Which of the following compositional layers makes up the greatest percentage of Earth’s mass?
a) continental crust
b) oceanic crust
c) the mantle
d) the core
What are large pieces of lithosphere that move on top of the asthenosphere called?
a) mantle pieces
b) crust plates
c) tectonic plates
d) puzzle pieces
How are tectonic plates like ice cubes in a bowl of punch?
a) they sink and disappear
b) they melt and become liquid
c) they move and run into each other
d) they freeze
What causes seismic waves?
a) winds
b) earthquakes
c) magnetic reversal
d) rain
What can scientists find out about the Earth with a seismograph?
a) age
b) atmosphere
c) temperature
d) density and thickness
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