Volcanoes
Earthquakes
Plate Tectonics
Planet Structure
California Landforms
100
The volcano in Washington state that erupted in 1980.
What is Mount Saint Helens
100
The famous fault line that cuts through California and is overdue for an earthquake.
What is the San Andreas Fault
100
The supercontinent that existed 200 millions years ago.
What is Pangaea
100
The largest of the Earth's layers by volume is
What is the mantle
100
The large valley in the middle of California
What is the Central Valley
200
These islands were created by volcanic activity of a hot spot being passed over by the Pacific plate.
What is the Hawaiian Islands
200
The name of the circular connection of fault lines that go around the Pacific Ocean and have a lot of quakes and volanoes.
What is the Ring of Fire.
200
The theory that continents move over time to their present locations.
What is continental drift.
200
Openings in the crust often lead to this.
What is volcanic activity
200
The highest range of mountains in California
What is the Sierra Nevada
300
The type of volcano that is very steep and often sends lava flying into the air.
What is cinder cone volcano.
300
The device used to measure earthquake intensity.
What is seismograph.
300
A person who studies the Earth's origins, plates and materials
What is a geologist.
300
The hottest of the Earth's layers
What is the inner core.
300
California's location in 100 million years
What is an island in the Pacific Ocean
400
The Roman city that was covered by ash from the volcano Vesuvius in 79 AD.
What is Pompeii
400
The point on the surface of the Earth that is directly above the focus of an earthquake.
What is the epicenter
400
One way that fossils give evidence of continental drift.
What is fossils of long extinct animals found on continents far away from each other.
400
This causes cooler materials sink deeper into the mantle and warmer ones to rise.
What is convection.
400
The reason the Central Valley is so fertile for farming
What is the many rivers and runoff from the surrounding mountains.
500
This caused most of the destruction from the Mount Saint Helen's eruption.
What is pyrochlastic flow
500
The largest earthquake ever registered 9.5 in 1960 in this Latin American country.
What is Chile
500
The distance California moves along the San Andreas every year towards the northwest.
What is 2 inches.
500
The approximate distance to the Earth's center.
What is 4,300 miles
500
The two plates that California lies on.
What is the Pacific Plate and North American Plate
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