Earth's Structure & Plate Tectonics

Which lists the layers of the earth in the correct order? (from the outside)

• Inner Core, Crust, Mantle, Outer Core

• Crust, Mantle, Outer Core, Inner Core

• Mantle, Crust, Outer Core, Inner Core

• Crust, Outer Core, Mantle, Inner Core

What is the coolest layer of the Earth?

• inner core

• lithosphere

• crust

• mantle

What is the hottest layer of the Earth?

• inner core

• lithosphere

• crust

• mantle

What is formed where these plates are spreading apart?

• mid ocean ridge

• magma

• trench

• subduction zone

What is formed when 2 CONTINENTAL plates collide?

• ocean basin

• trench

• mountains

• volcano

Which is less dense?

• Oceanic Crust

• Continental crust

Which is more dense?

• continental crust

• oceanic crust

When a continental plate collides with an oceanic plate which plate is subducted (goes under)?

• continental

• oceanic

What happens to a plate that is subducted (goes under) into the mantle?

• it melts

• it freezes

What landform is likely to be created where one plate is forced under another?

• Volcanoes

• Earthquake

• Ocean Basin

• Mid-ocean ridge