Earth's Formation

Which of the following is the correct order of Earth’s layers from outermost to innermost?

• crust, outer core, inner core, mantle

• crust, mantle, outer core,

  inner core

• mantle, inner core, outer core, crust

• inner core, outer core,

  mantle, crust

Which layer of the Earth’s chemical layers is responsible for causing the magnetic field of the Earth?

• crust

• inner core

• outer core

• mantle

Scientists classify Earth’s chemical layers by which of the following?

• composition or chemical make-up

• heat transfer

• state of matter

• temperature

According to Nebular Theory, materials that accumulate to make a planet come from what source?

• asteroid impacts

• dust and gas from newly created stars

• ice from comets

• all of these

Which of the Earth’s chemical layers makes up the least amount of Earth’s mass?

• crust

• inner core

• outer core

• mantle

Planetary differentiation occurs because of what property of matter?

• convection

• density

• mass

• volume

Tags

NGSS.MS-PS1-1

A material with a __________ density will be located ____________ of a planet.

• high; on the surface

• low; in the middle

• low; on the surface

• low; in the center

The mantle is made of ___________________, which allows it to have active convection currents.

• gases

• liquid rock

• solid, yet flowing rock (plastic-like rock)

• solid rock

Where do convection currents in the mantle get their heat from?

• the core

• the Sun

• friction from tectonic plates

• all of these

Tags

NGSS.MS-ESS2-1

In terms of thickness, which of the Earth’s layers is largest?

• crust

• inner core

• outer core

• mantle