Soil/Weathering
The decayed organic matter in soil is called
humus
A layer of soil with properties that differ from those layers above or below.
soil horizon
Why is soil important for water?
Helps to purify and clean the water as it drains through the ground into lakes, rivers, and oceans.
The expansion of of desert conditions in areas where the natural plant cover has been destroyed.
Desertification
3
4 materials that make up soil
weathered rock particles, organic matter, water, and air
What are the 4 different soil types?
Tropical, deserts, temperate, and artic
What are the three land-use practices that affect soil?
farming, construction, and mining
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.
What is my favorite food?
Burrito
Horizon A.. Typically dark color.
What organisms affect soil?
Plants, microorganisms, and animals
What are the problems with farming and how it affects our soil?
fertilizers can harm soil
loss of soil
overgrazing
many others....
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
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.
what are the four properties of soil that can be observed and measured
texture, color, pore space, chemistry
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.
Both are soil conservation techniques used on sloping land to hold rainwater.
Who would when in a fight-- a gorilla or a bear?
Answers may vary.
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.
What do farmers apply to their soil to make it less acidic?
lime
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.
Which soil would be more fertile, the soil on a hilly land or the soil on a plan?
Depends
Impress me
both teams can send someone up to impress me. Winner gets the 500.