Unit 4 Review

1.        Soil formation begins with the weathering of_______.

• subsoil

• rock

• humus

• litter

Decayed organic material in soil is called______.

• Clay

• Silt

• Humus

• Litter

Tags

NGSS.MS-LS2-3

Which type of climate will have faster chemical weathering?

• Cold and wet

• Hot and wet

• Hot and cold

• Cold and Dry

What is mechanical weathering?

•  Rocks broken down by machinery

• Rocks are broken down through chemical changes.

• Process through which rocks are physically broken into smaller pieces.

• Rocks are worn away from acid in plant roots.

Tags

NGSS.MS-ESS2-2

Layers of soil are also known as:

• Soil Horizons

• Soil Layers

• Soil Cores

• Soil Sheets

Which type of rock results from melting and cooling of magma?

• Metamorphic

• Extrusive

• Igneous

• Sedimentary

What processes contribute to soil formation?

• Heating and Cooling

• Weathering and Erosion

• Compaction and Cementation

• Temperature and Pressure

Tags

NGSS.MS-ESS2-2

Soil conservation includes all of the following EXCEPT_______.

• Terracing

• Contour Plowing

• Crop Rotation

• Desertification

Tags

NGSS.MS-LS2-5

The movement of rocks and weathered materials is called_________.

• Physical

• Erosion

• Chemical

• Weathering

How does freezing water cause the weathering of rocks?  The freezing water—

• makes the rocks last longer

• causes rocks to fall in landslides

•  expands cracks and breaks rocks

• keeps the rocks in place

Tags

NGSS.MS-ESS2-4