Show:
Earth's Layers
Plate Boundaries
Earthquakes
Volcanoes
Random
100
Outermost layer of Earth
crust
100
Plates collide along it
convergent boundary
100
Sudden movement of rocks in Earth's crust
earthquake
100
Volcano that has a gentle slope built up by runny lava that flows far from the vent
shield volcano
100
The Earth's largest plate, the Pacific plate, is named after...
Pacific Ocean
200
Cool and rigid portion of the Earth that includes the crust and upper mantle.
lithosphere
200
Plates move away from each other on it
divergent boundary
200
Push-pull wave caused by earthquakes
P wave
200
Mountain that forms around an opening in Earth's crust
volcano
200
Name each layer of the Earth in order.
crust, mantle, outer core, inner core
300
Layer directly above the outer core.
mantle
300
Describe a transform fault boundary.
Plates grind or side by one another in opposite directions
300
Earthquake wave that makes the ground roll and sway
surface wave
300
Name the two volcanoes that are most likely to have violent eruptions.
cinder cone and composite volcanoes
300
Why does the Earth's core remains a solid?
pressure
400
Zone of partially melted rock in the upper mantle that causes plates to move
asthenosphere
400
Process that forms new sea floor along a rift
sea-floor spreading
400
Instrument used to measure the amount of energy released in an earthquake
Richter scale
400
Name three types of volcanoes
shield, composite, cinder cone
400
Theory of plate movements
plate tectonics
500
Earth's inner core is mostly made of what two metals.
iron and nickel
500
The Great Rift in East Africa is found along what type of boundary
divergent boundary
500
Point in Earth's crust where an earthquake starts
focus
500
The Hawaiian Islands are an example of what type of volcano
hot-spot volcano
500
Point on Earth's surface directly above the focus of an earthquake
epicenter