The Big Tectonics Quiz! Round 1

Which layer of Earth is farthest away from the surface?

• Crust

• Mantle

• Outer Core

• Inner Core

What part of the Earth do the tectonic plates 'float' on?

• Outer core

• Inner core

• Mantle

• Crust

The movement of the tectonic plates is caused by

• the rotation of the Earth.

• convection currents in the mantle

• the gravity of the iron-nickel core.

• earthquakes

The core is mostly made up mostly of which elements?

• Oxygen and Silicon
• Silicon and Magnesium
• Nickel and Iron
• Iron and Magnesium

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

• They would all increase

• They would all decrease.

• Nothing, the layers are made of the same material throughout

• Temperature would decrease, but pressure and density would increase

What do we call an area where two or more plates interact in different ways?

• Plate boundaries

• Hotspots

• Subduction zones

• Tectonic plates

Identify the plate labeled B

• African Plate

• Antarctic Plate

• Pacific Plate

• Eurasian Plate

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

• The oceanic crust is melting.

• The denser oceanic crust is subducting under the less dense oceanic crust

• Volcanic islands are forming.

• The tectonic plates are moving away from each other.

What type of plate boundary is this?

• Conservative

• Constructive

• Destructive

• Collision

At which of these boundaries, do plates move apart?

• Subductive

• Conservative

• Collision

• Constructive