6th Grade Earth Systems Unit Review

The earth is composed mainly of:

• water

• metals

• iron

• rock

_____ of the earth's surface is covered by water.

• 60%

• 75%

• 85%

• 95%

Tags

NGSS.MS-ESS2-4

Earth's inner core is composed mainly of:

• molten rock

• heated gases

• solid iron and nickel

• all of the above

Earth's outer layer is called the _________.

• Shell

• Crust

• Outer Plate

• Mesosphere

Tectonic plates:

• move very slowly

• sometimes press against or pull away from each other

• sometimes scrape against each other

• All of the above

Tags

NGSS.MS-ESS2-3

Which layer of Earth is divided into plates?

• Crust

• Mantle

• Inner core

• Outer core

German scientist Alfred Wegener developed the hypothesis of:

• Seismology

• Volcanism

• Oceanic Crust

• Continental Drift

Tags

NGSS.HS-ESS1-5

The Ring of Fire, a region with many active volcanoes, circles which ocean?

• Pacific

• Atlantic

• Arctic

• Indian

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which layer of the earth is the convective layer?

• Crust

• Mantle

• Lithosphere

• Inner Core

The solid outer layer of the Earth that consists of the crust and the rigid upper layer of the mantle is called the _______________.

• crust

• atmosphere

• troposphere

• lithosphere