Earth Science Review

Which of the following refers to Earth's outermost layer?

• crust

• mantle

• inner core

• outer core

Which of the following refers to Earth's largest layer?

• crust

• mantle

• outer core

• inner core

Which of the following Earth's layers is composed of molten iron and nickel?

• crust

• mantle

• outer core

• inner core

Which of the following Earth's layers is composed of a dense sphere of solid nickel and iron?

• crust

• mantle

• outer core

• inner core

Which of the following refers to the theory that says that the continents have not always been in their present locations but have moved there over millions of years?

• Plate Tectonics Theory

• Continental Drift Theory

• Sea-floor spreading

• Contiguity Theory

Which of the following refers to molten rocks beneath Earth's surface?

• lava

• magma

• geyser

• geode

What is the name of the single landmass that broke apart 200 million years ago and gave rise to today's continents?

• Laurasia

• Atlantis

• Pangaea

• Gondwanaland

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following refers to the rigid layer that is made up of the uppermost part of the mantle and the crust?

• magnetosphere

• biosphere

• asthenosphere

• lithosphere

All rocks under the crust are molten.

• True

• False

Crust is thinner under the ocean.

• True

• False