Earth's Changing Surface Review

What is the correct order (starting from the surface) of Earth’s layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

Which of Earth’s layers is the thickest?

• the crust

• the mantle

• the outer core

• the inner core

Earth’s inner core is

• a dense ball of solid metal.

• a layer of molten metal.

• a layer of hot rock.

• a layer of rock that forms Earth’s outer skin.

Which part of Earth contains plates?

• hydrosphere

• atmosphere

• core

• lithosphere

Tags

NGSS.MS-ESS2-3

According to Wegener’s hypothesis of continental drift,

• Earth’s surface is made up of seven major landmasses.

• the continents do not move.

• Earth is slowly cooling and shrinking.

• the continents were once joined together in a single landmass.

What is Pangaea?

• the name of a German scientist

• the name of the supercontinent that existed millions of years ago

• another name for continental drift

• the name of an ancient fossil

Tags

NGSS.MS-ESS2-3

Any trace of an ancient organism that has been preserved in rock is called a

• landform.

• continent.

• fossil.

• landmass.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What technology did scientists use in the mid-1900s to map the mid-ocean ridge?

• satellites

• deep-sea diving

• submarines

• sonar

In sea-floor spreading, molten material rises from the mantle and erupts

• along the edges of all the continents.

• along mid-ocean ridges.

• in deep-ocean trenches.

• at the north and south poles.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

Old oceanic crust is more dense than new oceanic crust because it is

• hot.

• moving toward a deep-ocean trench.

• cool.

• closer to the mid-ocean ridge.