Weathering and soil formation

The process that breaks down rocks and other substances at Earth's surface

• Mechanical weathering

• Ice wedging

• Weathering

• Uniformation

Tags

NGSS.MS-ESS2-2

Humus is important because...

• It contains toxic waste
• It contains acids and bases
• It breaks down rocks
• It helps plants grow

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Do the horizontal cross sections in the picture show soil profiles or soil horizons?

• Soil Profiles
• Soil Horizons

What is the movement of soil from one place to another?

• weathering
• deposition
• discharge
• erosion

Tags

NGSS.4-ESS2-1

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Tags

NGSS.MS-LS2-3

Process in which something is worn down by rubbing one object or surface against another

• exfoliation
• abrasion
• tumbling
• rotation

Tags

NGSS.MS-ESS2-2

Carbon dioxide dissolving in water to make weak acid is what example of chemical weathering?

• water
• lichens
• oxidation
• carbonation

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-2

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt
• mud

Tags

NGSS.MS-ESS2-1

Which of the following is the most important soil formation factor

• Time
• Climate
• Slope
• Organisms

Tags

NGSS.MS-ESS2-6

Exposure to rain and oxygen causes the metal minerals in rocks to rust and fall apart.  This is an example of

• mechanical weathering.
• oxidation.
• erosion.
• a sinkhole.

Tags

NGSS.MS-PS1-2