Show:
Earthquakes
Tsunamis
Landslides
Volcano Vocabulary
Types of Volcanoes
100
gigantic slabs of rock that make up Earth's crust
plates
100
the most common cause of a tsunami
earthquake (on the ocean floor)
100
the pulling force that acts on all Earth's objects
gravity
100
the name for when melted rock, gases and chunks of rock get forced out of a volcano
eruption
100
has wide,flat sides formed by layers of lava
shield volcano
200
the cracks in Earth's crust where plates meet
faults
200
this happens to a tsunami as it gets closer to the shore
slows down, higher waves
200
True or false: Landslides can occur anywhere Earth's surface is sloped or angled.
true
200
magma is called this when it reaches the surface
lava
200
volcanoes that form along the edges of spreading plates
rift volcanoes
300
a word for the very slow movement of Earth's plates along a fault
creep
300
A tsunami can be a huge wall of water or ______________.
series of smaller waves
300
Name something besides gravity that can cause a landslide to occur
earthquakes, storms, volcanic eruptions, or freezing and thawing of rocks
300
the central opening in a volcano
vent
300
shaped like a cone with very steep sides
cinder-cone volcano
400
the type of fault where plates pull apart and surface rocks move down
normal fault
400
True or false: A tsunami's wave can travel up to 300 miles per hour.
false (up to 600 mph)
400
The event that happens when the sides of a stream or river overflow
flood
400
the cup-like shape that forms over a volcano's vent
crater
400
a volcano that is no longer active
dormant
500
the type of fault where rocks slide past each other in different directions
strike-slip fault
500
A tsunami can pass right under a ship out in the ocean and not be noticed because ____________________.
waves get big near shore
500
The event that happens when heavy rains soak the land and change sloped land into rivers of mud and rock
mudslide
500
a place where magma partially melts through Earth's surface
hot spot
500
a symmetrical volcano that takes turns between gentle and explosive eruptions
composite volcano