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Vocabulary 1
Vocabulary 2
Layers of Earth
Volcanoes
Misc.
100
A vibration of Earth's crust is an...
earthquake
100
Melted rock that flows out onto Earth's surface is...
Lava
100
Name the first layer of Earth. (on Earth's surface)
crust
100
When a volcano collapses into itself at its top, it forms a...
crater
100
The fault in California that is more than 1,000 km long is the...
San Andreas Fault
200
Scientists measure earthquake waves with a...
seismograph
200
The surface along which the crust moves is called...
fault
200
Name the middle layer of Earth.
mantle
200
Mountains made of lava layers that alternate with layers of cinders are called...
Composite volcanoes
200
The two forces that produce ridges and mountains as crust moves vertically are called...
Compression and tension forces
300
long streams of molten rock are called...
lava flows
300
Hot melted rock that is underground is called...
magma
300
Name the deepest layer of Earth.
core
300
The highest volcano on Earth is...
Mauna Loa
300
Earthquakes that happen underwater can cause...
tsunamis
400
locations where volcanoes form far form plate boundaries
hot spots
400
mountains that form as lava builds up and cools are called...
mid-ocean ridges
400
What is the crust made of?
plates
400
Before a volcano erupts, magma builds up in the crust in a reservoir called a...
magma chamber
400
This natural disaster brings rocks and soil from the tops of mountains into valleys...
Landslides
500
a large depression in the center of the volcano is called...
caldera
500
The point of Earth's surface that is directly above an earthquake's focus is the...
epicenter
500
The constant motion of plates lead to.... (name 2 things)
earthquakes, mountain building, volcanoes
500
Name the two places where a volcano is most likely to form.
where plates move toward each other (convergent), in the ocean where plates are moving away from each other (divergent).
500
Earthquakes change Earth's surface by forming...
mountains