Layers of the Earth

What distinguishes physical layers of Earth?

• the elements and compounds in each layer

• how rigid each layer is

• the thickness of each layer

• the temperature of each layer

What distinguishes chemical layers of Earth?

• the elements and compounds in each layer

• how rigid each layer is

• the thickness of each layer

• the temperature of each layer

Which of the following represents physical layers of Earth?

• core, mantle, crust

• core, mantle, oceanic crust, continental crust

• inner core, outer core, mesosphere, asthenosphere, lithosphere

• inner core, outer core, mantle, oceanic crust, continental crust

Which of the following represents chemical layers of Earth?

• core, mantle, crust

• core, mantle, lithosphere

• inner core, outer core, mesosphere, asthenosphere, lithosphere

• inner core, outer core, mantle, oceanic crust, continental crust

Which layer is best described as liquid iron and nickel?

• inner core

• outer core

• mantle

• crust

Which describes the difference between continental and oceanic crust chemical composition?

• continental crust has more SiO2 so it sinks

• continental crust has more Fe so it floats

• oceanic crust has more SiO2 so it floats

• oceanic crust has more Fe so it sinks

Tags

NGSS.HS-ESS2-1

The inner core is a...

• solid

• liquid

• gas

The outer core is a...

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

The lithosphere is ______ and the asthenosphere is _______.

• both brittle

• brittle, plastic/flexible

• plastic/flexible, brittle

• both plastic/flexible

Which layer exists as a collection of tectonic plates?

• asthenosphere

• mantle

• lithosphere

• outer core

Tags

NGSS.MS-ESS2-1