WorksheetsEarth's Layers
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
How do scientists have information about Earth's interior?
a)
They assume
b)
Scientists closely observe tectonic plate activity
c)
Scientists study the behavior of seismic waves
d)
We have traveled inside the Earth
2.
Why is the Inner Core solid?
a)
Extreme Heat and melting
b)
High Pressure and tightly packed atoms
c)
The atoms are arranged loosely
d)
It's made of rock
3.
What is the rigid layer of the Earth's surface made up of the crust and upper mantle called?
a)
asthenosphere
b)
lithosphere
c)
mesosphere
d)
continental crust
4.
Temperature, pressure, and density all______________________ as you go deeper into the Earth
a)
increases
b)
decreases
c)
goes up or down depending on the layer
d)
stays the same
5.
What are the two kinds of crust that the Earth has?
a)
Oceanic and Crustatious Crust
b)
Oceanic and Continental Crust
c)
Optic and Continental Crust
6.
Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?
a)
asthenosphere
b)
crust
c)
lithosphere
d)
inner core
7.
Which of the following occurs because of convection currents?
a)
Tectonic plates on the crust move.
b)
The mantle increases in size.
c)
Pressure in the crust increases.
d)
Pressure in the crust decreases.
8.
Which correctly describes the outer core?
a)
solid; composed of iron and nickel
b)
liquid; responsible for temperature changes on Earth's surface
c)
liquid; responsible for maintaining Earth's magnetic field
d)
liquid; composed of iron and copper
9.
Which is made of granite?
a)
Oceanic crust
b)
Continental crust
10.
Oceanic crust is primarily composed of
a)
Basalt
b)
Granite
c)
Pumice
d)
Obsidian
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