Soil
Formation
Soil Types
Soil Damage
Soil Conservation
Final Jeopardy
100
This horizon forms first as bedrock weathers and rock breaks into pieces.
What is the C horizon?
100
This soil is good for growing plants because it is made up of roughly equal amounts of sand, silt and clay.
What is loam?
100
This is one of Earth's most valuable resources.
What is soil?
100
This is a phrase (2 words) that means the management of soil to prevent its destruction.
What is soil conservation?
200
This is another name for Horizon A. It is the most valuable part of the soil.
What is topsoil?
200
Scientists classify the different types of soil based on _______, plants and soil composition.
What is climate?
200
When soil becomes exhausted from over planting, it has lost its ___________.
What is fertility?
200
When farmers plow their fields along the curves of a slope
What is contour plowing?
300
The subsoil has very little humus. It is found in this horizon.
What is Horizon B?
300
This major soil type is found in New England.
What is Northern forest soils?
300
These plants will restore nitrogen to the soil.
What are legumes, beans, peas, alfalfa?
300
When farmers disturb the soil and its plant cover as little as possible, leaving dead weeds and plant remains.
What is conservation plowing?
400
This soil horizon is responsible for a soil's fertility?
What is Horizon A?
400
This major soil type is the thinnest because it forms in the Arctic.
What are tundra soils?
400
When soil is exposed, water and wind can quickly erode this part of the soil.
What is topsoil?
400
When a farmer plants different crops in a field each year because different crops use different nutrients.
What is crop rotation?
500
Earthworms, fungi and bacteria are all important to soil formation because they are ______________.
What are decomposers?
500
On the Vineyard, our soil has more (sand, silt or clay).
What is sand?
500
In 1930, a long drought caused the soil in the Great Plains to be blown away. This event was called ____________.
What is the Dust Bowl?
500
This caused the Dust Bowl.
What is drought and overplowing?
500
This important soil organism mixes soil, provides air spaces, decomposes, and leaves its waste.
What is an earthworm?
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