Solid Earth/Plate Tectonics Flashcard

Front

Which layer of the Earth is the most dense? Options: crust, mantle, inner core, outer core

Back

inner core

Front

Which layer of the Earth is responsible for Earth's magnetic field? Options: outer core, inner core, mantle, crust

Back

outer core

Front

The soft layer of the mantle on which the tectonic plates move

Back

Asthenosphere

Front

The core is made-up of what two elements? Options: iron and nickel, iron and oxygen, nickel and silicon, oxygen and silicon

Back

iron and nickel

Front

What is the thinnest layer of the earth’s composition?

Back

crust

Front

The thickest layer of the earth is the 

Back

mantle

Front

The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle

Back

Lithosphere

Front

Pressure ______________________ as you go deeper into the Earth

Back

increases

Front

What are the two kinds of crust that the Earth has?

Back

Oceanic and Continental Crust

Front

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow? Options: asthenosphere, crust, lithosphere, inner core

Back

asthenosphere