3.1 over Earth's Interior

Select all the properties of the core.

• Made of Fe (iron) and Ni (nickel) metals
• Made of three sections
• Responsible for Earth's magnetic field
• Densest layer

Which of the following steps about the formation of our solar system are in the correct order?

• nebula, accretion, sun, planets
• sun, nebula, accretion, planets
• nebula, sun, accretion, planets

A solar nebula is a cloud of gas and dust that has the potential to form a(n)

• star
• solar system
• galaxy

Which of the three factors that raised Earth's temperature during its formation is the only one that still occurs today?

• radioactive decay
• gravity
• collision

Tags

NGSS.HS-ESS1-6

In the process of differentiation, gravity forces _______ material to sink, while _______ material floats to the surface.

• lighter, heavier
• heavier, lighter

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS2-4

Which would float during differentiation of a mixture: aluminum or air?

• aluminum
• air

Which is NOT a way heat was generated deep inside the earth when the planet first formed?

• Collisions
• Radioactive decay
• Gravity
• Combustion

Oceanic crust is

• thicker and less dense than continental crust
• thinner and less dense than continental crust
• thinner and more dense than continental crust

Which layer(s) of Earth consist mostly of iron and nickel? (Choose the 2 correct answers)

• crust
• mantle
• outer core
• inner core

Which layer of Earth is ONLY a liquid?

• crust
• mantle
• outer core
• inner core