A supercontinent that existed millions of years ago.

The formation of new areas of oceanic crust

Occur where two plates separate from one another

Occurs where two plates collide with each other

Occurs where two plates slide past each other

The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate

The point on the Earth’s surface directly above the focus

The point beneath Earth's surface where stress to the rock triggers an earthquake

Primary waves to arrive at the Earth’s surface during an earthquake

Secondary waves to arrive at the Earth’s surface during an earthquake

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unit 4 science vocab

Question	Answer
Pangaea	A supercontinent that existed millions of years ago.
Seafloor Spreading	The formation of new areas of oceanic crust
Divergent Boundary	Occur where two plates separate from one another
Convergent Boundary	Occurs where two plates collide with each other
Transform Boundary	Occurs where two plates slide past each other
Subduction	The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
Epicenter	The point on the Earth’s surface directly above the focus
Focus	The point beneath Earth's surface where stress to the rock triggers an earthquake
P-wave	Primary waves to arrive at the Earth’s surface during an earthquake
S-wave	Secondary waves to arrive at the Earth’s surface during an earthquake

Created by: user-2001321

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