Soil/Weathering
Soil/ Weathering
Human Activities Affect Soil
Human Activities Affect Soil
Random
100

The decayed organic matter in soil is called 

humus 

100

A layer of soil with properties that differ from those layers above or below.

soil horizon

100

Why is soil important for water?

Helps to purify and clean the water as it drains through the ground into lakes, rivers, and oceans. 

100

The expansion of of desert conditions in areas where the natural plant cover has been destroyed. 

Desertification 

100
How many years have I been  in Korea?

3

200

4 materials that make up soil

weathered rock particles, organic matter, water, and air

200

What are the 4 different soil types?

Tropical, deserts, temperate, and artic 


200

What are the three land-use practices that affect soil?

farming, construction, and mining

200

Explain how windbreaks works and how it helps to conserve soil.

Trees of rows are planted between fields to reduce the force of wind which protects the soil on the ground from being blown away. 

200

What is my favorite food?

Burrito

300
What horizon has the most organic matter? How does it effect the color?

Horizon A.. Typically dark color. 

300

What organisms affect soil?

Plants, microorganisms, and animals 

300

What are the problems with farming and how it affects our soil?

fertilizers can harm soil

loss of soil

overgrazing

many others....

300

Why is soil a necessary resource?

Answers may vary. 

Essentially sustains life on earth... plants grow because of soil, animals eat plants, we eat the cute rabbit, and we live fat and happy. Yum

300

If I had to choose between going to space or going to the bottom of the ocean which would I choose. Why?

Space. Because it's more interesting. 

400

what are the four properties of soil that can be observed and measured 

texture, color, pore space, chemistry 

400

How do animals and plants affect soil positively in the same way? How can animals affect soil in a negative way?

Both die, decompose, and broken down to be part of the soil. 

400
Explain the purpose of terraces and contour plowing.

Both are soil conservation techniques used on sloping land to hold rainwater. 

400
How do decomposers help soil
recycles nutrients by breaking organisms down which release nutrients that plants need to grow.
400

Who would when in a fight-- a gorilla or a bear?

Answers may vary. 


500

What is the relationship of between microorganisms and plants?

Microorganisms change the nitrogen in dead organic matter and nitrogen in the air into compounds that plants can absorb and use. 

500

What do farmers apply to their soil to make it less acidic?

lime

500

Describe acid drainage in relation to mining.

Mines fill with rainwater. Sulfide minerals react with the air and water to produce sulfuric acid. The acid water drains from the mines which causes pollution to the surrounding areas. 

500

Which soil would be more fertile, the soil on a hilly land or the soil on a plan?

Depends

500

Impress me 

both teams can send someone up to impress me. Winner gets the 500.