MPS Earth's Processes

What is the innermost layer of the Earth called?

• inner core

• mantle

• crust

• outer core

What is the outermost layer of the earth called?

• inner core

• mantle

• crust

• outer core

Which layers of the earth make up the lithosphere?

• crust, mantle, and core

• bottom part of the upper mantle

• crust and uppermost part of the mantle

• only the crust

What layer(s) of the earth are tectonic plates composed of?

• mantle

• inner core

• outer core

• crust

The four layers that make-up earth's composition are

• crust, lithosphere, mesosphere

• lithosphere, asthenosphere, mantle, and core

• crust, mantle, inner core, outer core

• mantle, outer core, lithosphere, and crust

Which of the four layers contains convection currents that move tectonic plates?

• crust

• inner core

• outer core

• mantle

The hypothesis that land masses spread apart from each other and have done so in the past is known as

• divergent plate boundary

• convergent plate boundary

• continental drift

• Pangea

The core is made up of what two elements?

• iron and silicon

• iron and nickel

• iron and oxygen

• oxygen and silicon

The warmest layer of the earth is

• crust

• outer core

• inner core

• mantle

Scientists believe that the mantle's convection currents are caused by the heat of

• sun

• volcanoes

• core

• crust