Topic 4.2

Which type of climate will cause the slowest weathering and soil formation?

• humid and hot
• dry and cold
• moderate temperature
• cold and wet

Tags

NGSS.MS-ESS2-6

What is soil composed of?

• weathered rock
• minerals
• living things
• all of the above

Tags

NGSS.MS-LS2-3

Which of the horizons in the soil profile shown represent the organic material?

• Horizon O (Humus)
• Horizon A
• Horizon B
• Horizon C

Which of the horizons in the soil profile shown represents the solid rock layer?

• Horizon A
• Horizon B
• Horizon C
• Horizon R

Tags

NGSS.MS-ESS1-4

Which of the horizons in the soil profile shown represents the layer of sand, silt, clay, and organic matter?

• Horizon A
• Horizon B
• Horizon C
• Horizon R

Tags

NGSS.MS-LS1-5

Factors affecting soil formation include 1. Parent Material 2. Climate 3. Living Organisms 4.? 5. Time

• Wind

• Altitude

• Latitude

• Topography

Tags

NGSS.HS-ESS2-5

Which soil horizon contains decomposed plants and animals (organic material)?

• A Horizon

• B Horizon

• C Horizon

• O Horizon

The layer where minerals that were leached out of layers above accumulate

• A horizon
• B horizon
• E horizon
• O horizon

The layer(s) of soil in which most of the humus and soil organisms are contained:

1- leaf litter, horizon O

2- topsoil, horizon A

3- subsoil, horizons B and C

• 1 only

• 2 only

• 1 and 2 only

• 2 and 3 only

• 1, 2, and 3

Tags

NGSS.MS-LS2-3

Heavy irrigation with the use of tap water can lead to this problem

• desertification

• salinization

• toxification

• deforestation

Answer explanation

Tags

NGSS.HS-ESS2-5