Science Chapter 9

The layer of soil that contains humus is called

• bedrock

• subsoil

• topsoil

The layer in which most plants grow is called

• bedrock

• subsoil

• topsoil

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

The layer that is made of solid, unweathered rock under layers of soil is called

• bedrock

• subsoil

• topsoil

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NGSS.MS-ESS2-1

Small bits of weathered rock and othe rmaterial are called

• abrasion

• sediment

• humus

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NGSS.MS-ESS2-2

Sediment that is deposited at the mouth of a river makes the mouth of the river

• shallower

• deeper

• narrower

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NGSS.MS-ESS2-2

The moving of bits of weathered material from one place to another is called

• gravitiy

• sediment

• erosion

The dropping of sediment in a new place is called

• landforms

• deposition

• abrasion

An area of sediment that builds up at the mouth of a river is called

• a delta

• a butte

• an avalanche

Tags

NGSS.MS-ESS2-2

Soil is made of

• water, humus, and fossil

• weathered rock, air, and mesas

• weathered rock, water, air, and humus

Two types of landforms are

• mountains and dunes

• dunes and lakes

• gorges and rivers