Test: The Layers of the Earth Test
Category: Earth Science
Description: How well do you know the Earth's composition?
Earth has the strongest magnetic field in our solar system.
True
False
Earth is the densest planet in our solar system.
True
False
The Earth's lithosphere:
Contains tactile plates
Is generally made up of titanium dioxide
Is made up of two types: oceanic and continental
Is synonymous with our atmosphere
What are the segments on the Earth's outer surface called?
Tactile plates
Tacomic plates
Tonic plates
Tectonic plates
The Earth's crust is made up of about 75% iron which produces strong magnetic fields.
True
False
The Earth's inner core is made up of ____________________.
nickel-iron alloy
lithium-ion
nitrogen
anorthrosite
The layers of the Earth have been discovered by:
Studying drilled core samples
Sending x-ray equipment into fault lines
Studying seismic waves caused by earthquakes
Studying the layers of other planets
The continental lithosphere is, on average, 170 million years old.
True
False
The estimated temperature of the Earth's inner core is:
5,000 to 6,000 °C
1,000,000 °C
1,000 to 1,500 °C
2,400,000 °C
What percent of the Earth is covered in salt water oceans?
82
71
65
49
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