Earth
Structure
Earthquake
Volcanoes
Moving and Shaking and Boom!
100
core
What is in the center of the earth?
100
San Andres
What is the fault that makes California an area of high risk?
100
Mt St. Helen's
What is the name of the volcano that erupted in 1980?
100
Pangaea
What is the theory of continental movement?
200
hydrosphere
What is all the water on earth?
200
Richter Scale
What is the instrument used to detect and measure earthquakes?
200
dormant
What is a volcano that has not erupted recently but may erupt later?
200
basalt
What is the rock of the Hawaiian Islands?
300
atmosphere
What is the gasses surrounding the earth?
300
tectonic plates
What are the large thin plates that move on the outer surface of the earth?
300
fissure
What is the tube or crack in the earth's surface through which lava flows?
300
lava
What flows from a volcano?
400
mantle
What is the middle layer of the earth?
400
tsunami
What is a large ocean wave created by undersea earthquakes?
400
ring of fire
What is the zone of earthquakes and volcanoes surrounding the Pacific Ocean?
400
subduction
What is one plate slipping under another?
500
inner core
What is solid and made of nickle and iron?
500
magma
What is the molten rock that lies below the earth's surface?
500
mountains
What is the result of plates pushing together?
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