WorksheetsStructure of the Earth
Total questions: 25
Worksheet time: 25mins
What is the main cause of earthquakes?
large ocean waves called tsunamis
movement of tectonic plates
erosion of topsoil by rivers
animals burrowing underground
Most of the energy in Earth's atmosphere, oceans and living systems comes from ______.
the Sun
magma
Earth's core
lightning
Which of the following lists Earth's compositional layers starting with Earth's center and ending with the outermost layer.
mantle, crust, core
crust, mantle, core
crust, core, mantle
core, mantle, crust.
The Earth's surface is divided up into several large movable tectonic plates. Which of the following is true about these plates?
The Earth has only continental tectonic plates.
The Earth has both continental and oceanic tectonic plates.
The Earth has only oceanic tectonic plates.
The Earth has neither continental nor oceanic
Faults are:
found only in the center of the Earth's oceans.
cracks that prevent tectonic forces from moving pieces of the Earth's crust.
cracks where pieces of the Earth's crust move past each other due to tectonic forces.
found only in the center of the Earth's continents.
Which choice correctly completes the sentence?
___ reaches the Earth's surface through ___, then turns into ____.
Magma; earthquakes; lava
Lava; volcanoes; magma
Lava, earthquakes,; magma
Magma; volcanoes; lava
Which is the coolest layer of the planet?
Hot melted rock under the surface of the earth is called
core
magma
erosion
lava
Magma that flows out onto the surface of the earth is
magma
mantle
lava
sediment
How long does it take for Earth to complete ONE ORBIT around the Sun?
24 hours
48 hours
365 days
Which imaginary line circles Earth at its widest point?
How much of Earth's surface is covered by oceans?
80 %
70 %
50 %
90 %
What is the position of Earth in relation to the Sun within the solar system?
Fifth
Eighth
Third
First
What causes day and night on Earth?
Which planet is mentioned as the fifth largest in the solar system?
Earth
The most dense layer of the Earth is:
Crust
Mantle
Core
Atmosphere
Which layer of the Earth is the hottest?
Crust
Mantle
Inner Core
Outer Core
Mountains are formed on the Earth's __________. (You live on this layer.)
crust
upper mantle
inner core
outer core
Which of the following is the correct order of the Earth's layers MOVING INWARD to the center.
Crust
Mantle
Outer Core
Inner Core
Mantle
Outer Core
Inner Core
Crust
Inner Core
Outer Core
Crust
Mantle
Outer Core
Inner Core
Mantle
Crust
Which layer is the thinnest layer of the Earth?
Crust
Mantle
Inner Core
Outer Core
True or False: Humans have been able to dig down to the mantle.
True
False
