6 - Tectonics Revision

The place where two plates meet.

• plate boundary

• tectonic plate

• asthenosphere

• crust

The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary.

• stressing

• seafloor spreading

• subduction

• shearing

a valley in the ocean created when one lithospheric plate subducts under another

• deep ocean trench

• rift valley

• oceanic ridge

Which layer of the earth is made up of liquid metal?

• Crust

• Mantle

• Inner Core

• Outer Core

Which tectonic plate is denser?

• Oceanic

• Continental

• Constructive

• Collision

What is the area around the Pacific Ocean called where you find many volcanoes and earthquakes?

• Ring of Destruction

• Ring of Fire

• Great Pacific Garbage Patch

• Bermuda Triangle

What are the currents within the Mantle called which are responsible for the movement of tectonic plates?

• Condensation Currents

• Conduction Currents

• Radiation Currents

• Convection Currents

What features would you find at a constructive plate boundary (tick all that apply)?

• Volcanoes

• Fold mountains

• Earthquakes

• Deep ocean trench

What features would you find at a conservative plate boundary (tick all that apply)?

• Volcanoes

• Fold mountains

• Earthquakes

• Deep ocean trench

When pressure builds between two tectonic plates, it can suddenly release causing a (an) ______________________

• Earthquake
• Volcano
• Convection Current
• Gravitational Pull