What caused the interior of Earth to separate into layers?

the gravitational pull on materials of varying densities

How is continental crust different from oceanic crust?

Continental crust is less dense and older.

Earth's magnetic field is generated by the rotation of the inner core and...

convection in the liquid outer core

What three Golidlocks conditions were necessary to form planets?

gravity, accretion, random collisions

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Unit 4 - Solar System Formation and Interior Earth

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Questions 17

Answers

1
Which layer of Earth is mostly basalt?
core
Continental crust
asthenosphere
oceanic crust
2
Analysis of which type of data led to the development of the model shown here?
seismic waves
electromagnetic radiation
isobar gradients
depth of Earth's oceans
3
What name is given to the four planets closest to the Sun?
gassy
extraterrestrial
rocky
icy
4
Which layer of the Earth is the thinnest?
Crust
Mantle
Outer Core
Inner Core
5
The hottest layer of the inner earth is
crust
outer core
mantle
inner core
6
What drives lithospheric plate movement?
rotation of inner core
P and S waves
radiation
convection
7
What caused the interior of Earth to separate into layers?
variations in heating by the Sun due to Earth's tilt
the gravitational pull on materials of varying densities
a decrease in the rate of rotation of Earth
collisions with meteors and comets
8
How is continental crust different from oceanic crust?
Continental crust in more dense and older.
Continental crust is less dense and younger.
Continental crust is more dense and younger.
Continental crust is less dense and older.
9
What is the most common way scientists study the interior of the Earth?
Digging a hole to the center of the earth.
Laboratory testing of rocks
By using seismic waves
Direct observation
10
What Earth layer is made of the crust and a portion of the upper mantle?
oceanic crust
Moho
asthenosphere
lithosphere
11
Earth's magnetic field is generated by the rotation of the inner core and...
convection in the asthenosphere
radioactive decay in the inner core
convection in the liquid outer core
radioactive decay in the outer core
12
The largest portion of Earth's interior is
crust
inner core
outer core
mantle
13
What three Golidlocks conditions were necessary to form planets?
gravity, accretion, pressure
gravity, accretion, heat
gravity, accretion, random collisions
gravity, pressure, heat
14
Which numbered part of the diagram represents the mantle of the Earth?
4
3
2
1
15
What is the fifth planet from the Sun?
Uranus
Mars
Saturn
Jupiter
16
Which of the following is not solid?
outer core
mesosphere
inner core
lower mantle
17
What is the age of our planet?
4.5 billion years old
2.5 billion years old
10.7 billion years old
13.8 billion years old

Unit 4 - Solar System Formation and Interior Earth Flashcards | StudBud