Plate Boundaries

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Mountains form from ____________________.

• a continental and an ocean plate coming together through convergent boundary.
• two continental plates coming together through a divergent boundary.
• two continental plates coming together through a transform boundary.
• two continental plates coming together through a convergent plate boundary.

Earthquakes are measured with a_____________________.

• barometer
• seismograph
• seismothermometer
• turbine

Continental Drift is a ____________.

• theory that plates and continents moved away from each other.
• theory that plates and continents have always been in the same spot.
• law that plates and continents moved away from each other.
• law that plates and continents have always been in the same spot.

Earthquakes in California are caused by two plates sliding past each other. This type of boundary is called a...

• Convergent Boundary
• Subduction Boundary
• Transform Boundary
• Divergent Boundary

The continents were once together in a super-continent called______________________________.

• Paleao
• Pangea
• Pagelo
• Pangino

A Subduction zone is when....

• A heavy plate moves under a lighter plate.
• Two or more plates slide past each other.
• Plates move away from each other.
• Plate collide.

What is the key factor when one oceanic plate goes underneath another oceanic plate?

• The one going under is less dense
• The one going under is more dense
• The one going under has less pressure
• The one going under has more pressure

Two oceanic plates move away from each other to form which type of plate boundary?

• Subduction boundary
• Transform boundary
• Divergent boundary
• Convergent boundary

Which is an example of a convergent boundary?

• The Indian plate is colliding with the Asian plate.
• Iceland formed because two plates are moving apart and exposing mantle.
• The Hawaiian islands formed over a volcanic hotspot.
• California earthquakes are caused by plates sliding past each other.