Q1W7 ES Soil Quality & Quantity

Multiple Choice

What is soil quantity?

• It is the capacity of soil to function

• It is how well it supports human needs

• It is the amount of soil in a specific area

• It is the physical, chemical and biological conditions of the soil

Multiple Choice

The following are human activities that affect soil quality except...

• Farmig

• Construction & Development

• Mining

• Illegal Logging

• Earthquake

Multiple Choice

How does fertilizers affect soil quality?

• It removes soil by the action of concentrated running water

• It makes it difficult for microorganisms in the soil to produce nutrients naturally

• Protective plant covers of soil are removed and soil are washed and blown away

• It exposes rocks and minerals to the air speeding up chemical weathering of rocks

Multiple Choice

How does construction affect soil quality?

• Soil could be washed away to low-lying areas

• Soil could build up in dams & reservoirs which could result to flooding

• All of the choices

• Washed away soil could make rivers and lakes muddy and harm organisms

Multiple Choice

Which of the following is true about sheet erosion?

• It takes place in and around desert regions

• It removes soil in water channels and drainage lines

• It is common along riverbeds and areas affected by floods

• It is the removal of soil by the action of concentrated running water

Match

Match the following type of erosion.

• winds carry vast quantity of fine soil particles and sand away

• the removal of thin layers of soil because of the surface run off and rain

• the removal of soil by the action of concentrated running water

• the removal of soil in water channels or drainage lines.

Wind erosion

Sheet erosion

Rill erosion

Gully erosion

• Wind erosion

• Sheet erosion

• Rill erosion

• Gully erosion

Open Ended

List 3 ways (with explanation) on how we can conserve and protect our soil for future generations.

(2 points each answer)