Forest Soils Quiz

Which is the correct order of the soil horizons?

• A, B, C, E, O

• O, A, E, B, C

• O, E, A, C, B

• E, O, C, B, A

Which soil particle is the smallest?

• Sand

• Silt

• Clay

• Humus

This is the substance soil comes from.

• Humus

• Sand, Silt, Clay

• Organic Matter

• Parent Material

Which of these causes physical weathering?

• Wind

• Acid Rain

• Ultraviolet Light

• Lichens

Which of these causes chemical weathering?

• Ice

• Wind

• Acid Rain

• Water

Soil helps to slow climate change because it is part of this cycle.

• Carbon

• Nitrogen

• Phosphorus

• Water

What does soil productivity measure?

• Amount of water stored

• Amount of animals living in it.

• Amount of organic matter in soil

• Amount of plant growth it provides.

Tags

NGSS.MS-LS1-5

True or False. Ice freezing in the cracks of rocks is physical weathering.

• True

• False

Why is soil important in the water cycle?

• Water goes through it to ground water.

• Runoff goes into lakes and streams.

• Water is taken up by plants.

• All of these are true.

Tags

NGSS.MS-ESS2-4

This is the downward movement of minerals dissolved in water.

• Percolation

• Leaching

• Porosity

• Puddling