6.E.2.1 Layers of the Earth Test Review

In what layer of Earth does continental plate movement occur?

• atmosphere

• core

• lithosphere

• mantle

Tags

NGSS.MS-ESS2-3

What are the contents of Earth’s outer layer?

• gases and water

• the mantle and landmasses

• the atmosphere and the oceans

• continental crust and oceanic crust

Suppose scientists were able to drill straight through the bottom of oceanic crust. What would they most likely hit?

• continental crust

• ocean water

• outer core

• mantle

What phase of matter is Earth’s inner core?

• plasma

• liquid

• solid

• gas

Which statement best describes what has happened to Earth’s crust over time?

• The crust has cooled to form solid nickel and iron.

• The crust has changed position because of Earth’s magnetic field.

• The crust has been broken into pieces that move over molten rock.

• The crust has heated up because of its position near the Earth’s molten inner core.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the primary reason that continents are found at higher elevations than the ocean floor?

• Continental crust is less dense than oceanic crust.

• Continental crust is more dense than oceanic crust

• Continental crust covers less surface area than oceanic crust.

• Continental crust covers more surface area than oceanic crust.

Which layer of Earth consists of liquid nickel and iron?

• outer core

• inner core

• mantle

• crust

Where do convection currents occur within Earth’s structure?

• crust

• mantle

• inner core

• outer core

Which layer of Earth is mainly solid iron and nickel?

• crust

• mantle

• inner core

• outer core

Which statement best describes the inner and outer cores?

• They cool at the same rate

• They rotate at the same speed

• They move in opposite directions

• They produce earthquake waves of the same velocity

Tags

NGSS.HS-ESS2-3