Plate Boundaries
Earthquake
Volcanoes
Earth's Layers
Plate Tectonics
100
Which boundary causes earthquakes?
What is Transform boundary.
100
What are the two most common boundaries that caused earthquakes?
What is Sub ducting plates and transform boundary.
100
Where do most volcanoes form?
What is over a hot spot and at plate boundaries.
100
Name the four layers of the Earth.
What is Crust, Mantle, Outer core an Inner core
100
Who came up with the theory of plate tectonics and give the three pieces of evidence he used.
What is Alfred Wegener, three pieces of evidence are similar fossil records, similar mountain ranges and glacial evidence.
200
What plate boundary is making new sea floor?
What is Divergent boundary.
200
What is the name of the device that measures the magnitude of an earthquake
What is The Richter scale.
200
The ___________ is surrounded by ______ volcanoes.
What is Pacific plate and 300
200
Describe the Asthenosphere.
What is the semi-rigid part of the middle mantle that flows like hot asphalt under heavy weight.
200
What happens to magma at divergent boundaries?
The magma rises to the surface and cools to form new ocean lithosphere.
300
What mountain range was made by colliding plates.
What is Andes.
300
How many seismographs stations are needed to locate the epicenter if an earthquake?
What is three.
300
About how many volcanoes are still active in the world?
What is 1500
300
Name the second layer and how thick it is.
What is Mantle and 3000 Celsius.
300
Describe Convection currents.
What is the hottest part of the mantle rises and then cools sinking again and this process is repeated.
400
The east coast of american is what type of boundary.
What is the east coast is not a boundary.
400
After the earthquake has taken place, it is followed by...
What is Aftershocks.
400
Cavity in Earth's crust below vent that holds magma is known as...
What is magma chamber.
400
Plates that are made up of older rocks are classified as...
What is Continental crust.
400
Name all the tectonic plates.
What is Pacific plate, North American, South American, Eurasian plate, African plate, Nazca plate, Scotia plate, Cocos plate, Juan de Fuca, Antarctic plate, Arabian plate, Indian plate, Caribbean plate, Philippines plate and the Australian plate.
500
The north american plate is surrounded by which type of boundaries?
What is Transform, Convergent, Divergent.
500
Other than boundaries of crustal plates, earthquakes may occur within areas with..
What is Volcanoes.
500
What are the four main types of volcanoes?
What is Cinder cone, Composite, Shield and lava domes.
500
Have we ever seen the mantle describe how.
What is yes because the lava coming out of the vents that are called volcanoes are part of the mantle.
500
What are the first three biggest tectonic plates.
What is Pacific, North american, Eurasian.
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