Unit 4: Earth Systems

• The San Andreas Fault is an example of a ____________________ boundary.

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NGSS.MS-ESS2-3

Transform boundaries are primarily associated with:

• Volcanic eruptions

• Earthquakes

• Seafloor spreading

• Mountain building

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NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Convergent boundaries are characterized by:

• Plates moving away from each other

• Plates sliding against each other

• Plates colliding with each other

• Plates not moving

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

• The process of one plate sliding beneath another is called ____________________.

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NGSS.MS-ESS2-3

• Mid-ocean ridges are formed at ____________________ boundaries.

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NGSS.MS-ESS2-3

Volcanic island arcs are often found near...

• Subduction zones

• Seafloor spreading

• Slip-strike faults

• The mid-Atlantic ridge

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NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

The O horizon of a soil profile is primarily composed of:

• Weathered rock fragments

• Organic matter

• Clay minerals

• Parent material

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NGSS.MS-LS2-3

Which soil texture has the highest water-holding capacity?

• Sandy

• Silty

• Clay-like

• Loamy

The A horizon of soil is also known as

• Topsoil

• Subsoil

• Parent material

• Weathered material

Soil that is 5% sand, 50% silt, and 45% clay would best be classified as...

• Loamy sand

• Clay

• Silty clay

• Sandy clay loam