Earth's Layers & Plate Tectonics

Which of the following is a layer of the Earth?

• Crust

• Atmosphere

• Ocean

• Biosphere

When Earth Differentiated itself into layers during formation, it did so based on the _________ of the Matter involved. 

• Mass

• Density

• Color

• Temperature

What happened to less dense materials during the Earth's differentiation?

• They sank to the bottom

• They rose toward the surface

• They evaporated into space

• They formed a solid crust

What process allowed denser materials to settle in the center of the Earth?

• Evaporation

• Differentiation

• Condensation

• Erosion

What happened to less dense materials during Earth's early formation?

• They formed the core

• They sank to the bottom

• They rose toward the surface

• They evaporated into space

Tags

NGSS.MS-ESS3-1

  This mechanical layer has plasticity and moves like Jello. 

• Asthenosphere

• Lithosphere

• Mantle

• Core

What determines the compositional layers of the Earth?

• Temperature

• Composition

• Pressure

• Density

Tags

NGSS.MS-ESS3-1

What are the mechanical layers of the Earth based on?

• Pressure

• Density

• Temperature

• Composition

How do cooler materials within the Earth behave?

• They act plastic and stretch

• They act brittle and break

• They melt and flow

• They expand and contract

How do warmer materials within the Earth behave?

• They act brittle and break

• They act plastic and stretch

• They solidify and harden

• They evaporate and condense

Tags

NGSS.MS-PS1-4