All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem

This picture shows

• Atmosphere
• Biosphere
• Hydrosphere
• Geosphere

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Composed of all the water on or near the earth

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

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NGSS.MS-ESS2-4

The mountains of the Sierra Nevada play a role in the formation of desert in eastern California and Nevada. What is this an example of?

• the lithosphere influencing the cryosphere

• the biosphere influencing the lithosphere

• the lithosphere influencing the atmosphere and biosphere

• the atmosphere influencing the lithosphere

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which layer of the atmosphere am I??

I start at the Earth's surface and extend upward about 12 miles.

• Thermosphere

• Mesosphere

• Troposphere

• Stratosphere

Weather occurs here

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In which layer of the atmosphere does weather occur?

• Mesosphere
• Thermosphere
• Stratosphere
• Troposphere

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NGSS.MS-ESS2-5

Between May 18 and August 7, 1980, Mount Saint Helens erupted four times. What did the eruptions of Mount Saint Helens teach scientists?

• Salvage logging was essential to protecting the area from fire and insect threats.

• Many of the initial pioneering species actually survived the eruptions.

• Seeding the slopes was necessary to prevent erosion.

• Planting Douglas fir trees was essential to recovering the forests.

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NGSS.MS-ESS2-2

NGSS.MS-LS2-4

_________________ is the term to describe all the members of one species living in a particular area.

• Community
• Pod
• Population
• Gaggle

How was Hurricane Floyd surprising to scientists?

• Beach erosion did not occur.

• Rainfall totals were unusually small for a hurricane.

• No major fish kills occurred.

• Wave heights were greater than usual for a hurricane.