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WorksheetsStructure of the earth, earthquakes, and volcanoes
Total questions: 24
Worksheet time: 18mins
Which layer of the Earth is made of molten magma and semi-solid rock?
Crust
Mantle
Outer Core
Inner Core
Which is the thinnest layer of the earth?
The core
The mantle
The crust
The hydrosphere
Which layer represents the color in yellow?
Inner core
Outer core
Mantle
Crust
The hottest part of the earth is ...
crust
mantle
outer core
inner core
What are earthquakes?
The shaking that results from the movement of rock beneath Earth's surface
Masses of earth sliding down cliffs or mountains
A rotating column of air causing mass destruction
A gigantic wave
What causes earthquakes?
Millions of people jumping at once
The earth rotating
The movement of plate tectonics
Gravity
What is the instrument used to measure earthquakes?
Seismograph
Sling Psychrometer
Spring Scale
Balance
Anemometer
What is the scale used to measure the strengths of earthquakes?
Fujita scale
Richter scale
Damage scale
NASA scale
Where do volcanoes typically form?
At plate boundaries.
In the middle of tectonic plates.
Melted rock that starts to cool and harden.
Crater
magma chamber
lava
magma
What is true of a dormant volcano?
they erupt from time to time (most often)
they have erupted before, but not recently
they have never erupted and probably never will
What is true of a active volcano?
they erupt from time to time (most often)
they have erupted before, but not recently
they have never erupted and probably never will
What is true of a extinct volcano?
they erupt from time to time (most often)
they have erupted before, but not recently
they have never erupted and probably never will
Flowing lava from volcanoes can cause new...
land form
volcano
magma
erupt
Volcanoes are found both on land and under water.
True
False
The difference between magma and lava is ___________
where it is found. Lava is found above the Earth's surface while magma is found below it.
how hot the molten rock is. Lava is hotter than magma is.
magma comes out of composite volcanoes while lava pours out of shield volcanoes.
volcanologists study magma but not lava.
What do you call the liquid fire while it is inside the volcano?
lava
magma
pool of fire
What do you call the top of the volcano?
crater
mantal
vents
pool
