Planetary Differentiation Review

Multiple Choice

What is the process of separating different materials within a planet called?

• Planetary Differentiation

• Planetary Formation

• Planetary Evolution

• Planetary Composition

Multiple Choice

According to planetary differentiation, earth's layer are sorted by:

• mass

• volume

• age

• density

Multiple Choice

What process describes how Earth formed from space dust and rocks clumping together?

• Accretion

• Differentiation

• Condensation

• Evaporation

Multiple Choice

Which process are the students able to model and observe in the investigation after carefully shaking and setting the jar down?

• Plate Tectonics

• Seismic Activity

• Radioactive Decay

• Planetary Differentiation

Multiple Choice

During planetary differentiation, which layer is typically formed first?

• Crust

• Mantle

• Core

• Atmosphere

Multiple Choice

Which element is most likely to be found in the core of a differentiated planet?

• Oxygen

• Silicon

• Iron

• Carbon

Multiple Choice

As you travel from the crust to the core, how would temperature, pressure and density of the material change?

• They would all increase

• They would all decrease.

• Nothing, the layers are made of the same material throughout

• Temperature would decrease, but pressure and density would increase

Multiple Choice

The earth's thermal energy is a result of ___ .

• Heat left over from the planet's formation.

• Decay (breaking down) of radioactive elements.

• Friction as material moves within the earth.

• All options are correct.