Earth's Spheres and Layers

There are ___________ layers of Earth.

• 1

• 2

• 3

• 4

The __________________ is the thickest layer of Earth.

• crust

• mantle

• inner core

• outer core

The crust is the thinnest where?

• under the ocean floor

• on top of a mountain

• in a river

• on a valley

What is the order of the layers of the Earth from outside all the way to the inside?

• crust, inner core, outer core, mantle

• mantle, inner core, crust, outer core

• inner core, outer core, mantle, crust

• crust, mantle, outer core, inner core

Which is an example of the ATMOSPHERE?

• iron

• carbon dioxide

• nickle

• rock

Tags

NGSS.MS-ESS2-5

The atmosphere is divided into four layers, the mesosphere, troposphere, thermosphere, and stratosphere. Each layer has unique physical properties. Which of the following claims about the stratosphere is true?

• There are no winds in the stratosphere.

• The stratosphere is below the troposphere.

• The stratosphere contains the Ozone layer

• Weather happens in the stratosphere.

In which sphere would you find evaporation of water in the water cycle?

• Geosphere

• Atmosphere

• Cryosphere

• Biosphere

Tags

NGSS.MS-ESS2-4

How does the mesosphere protect the Earth's surface?

• Mesosphere absorbs the UV radiation from the Sun.

• Mesosphere protects the air we breathe.

• Mesosphere thickness

  help breakdown meteors.

• Mesosphere holds the atmosphere in place.

What is the function of the ozone layer?

• To let airplanes fly safely on the atmosphere.

• It prevents most of the UV radiation from entering Earth

• Ozone protects from meteors.

• It modifies the weather in the troposphere.

Where is the ozone layer found?

• in the exosphere

• in the thermosphere

• in the troposphere

• in the stratosphere