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WorksheetsEarthquakes and Volcanoes Mini Review 2021
Total questions: 24
Worksheet time: 12mins
When the Earth's crust starts shaking - we call that a ________.
earthquake
core
mantle
epicenter
What is the deepest layer of Earth?
earthquake
core
mantle
epicenter
What is the thickest layer of Earth and made of solid and melted rock?
earthquake
core
mantle
epicenter
What is the point on Earth's surface right above the focus of an earthquake?
earthquake
core
mantle
epicenter
What is the layer of Earth that includes land and the ocean floor?
crust
plates
fault
seismograph
focus
What are the continent-sized slabs that make up the crust and upper mantle?
crust
plates
fault
seismograph
focus
What is a break in Earth's crust along which rocks move?
crust
plates
fault
seismograph
focus
What is the instrument that records earthquake waves?
crust
plates
fault
seismograph
focus
What do we call the underground point where an earthquake first starts?
crust
plates
fault
seismograph
focus
What is Earth's hottest layer?
inner core
crust
mantle
outer core
Earth's plates move very slowly across Earth's surface on a thin layer of partly melted ______________.
mantle
core
volcanic ash
crust
Scientists can ___________ earthquakes by using seismographs, the Mercalli scale, and the Richter scale.
measure
predict
weaken
call
California has more than 20,000 earthquakes each year because there is a large ___________ running through the state.
fault
epicenter
river
crater
Some volcanoes form new ___________ as plates move apart and magma rises to the crust.
ocean floor
volcanoes
earthquakes
mantle
Different kinds of ____________ form different kinds of volcanic mountains.
eruptions
cinders
slopes
energy waves
What is labeled at letter "A"?
lava
crater
magma
magma chamber
vent
What is labeled at letter "B"?
lava
crater
magma
magma chamber
vent
What is labeled at letter "C"?
lava
crater
magma
magma chamber
vent
What is labeled at letter "D"?
lava
crater
magma
magma chamber
vent
What is labeled at letter "E"?
lava
crater
magma
magma chamber
vent
This whole things is a picture of a ______________.
volcano
earthquake
seismograph
fault
If Earth's plates stopped moving, what might happen?
There would be fewer earthquakes and volcanoes.
There would be more earthquakes and volcanoes.
It would get really cold.
It would get really windy.
The 1964 earthquake in Alaska released more energy than the 1989 Loma Prieta earthquake in California. How do you think scientists know this?
They studied the earthquakes' measurements on the Richter Scale.
They studied the earthquakes' measurements on the Mercalli Scale.
They timed how long each earthquake lasted.
They asked people who felt the earthquakes.
Which of these is NOT a tool for measuring earthquakes?
thermometer
seismograph
Richter Scale
Mercalli Scale
