Mr. Dieterle science study
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Agriculture | Land used for growing crops, only 1 third or earths land is fertile. The rest is to wet and salty. New land is destroyed by destroying forests, draining wet lands, and iragating deserts.
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| Mining | Removal of non-renewable resources. Strip mining is removal of an intire strip of land. You must replace everything after strip mining. If not you create dangerous holes and collapse surfaces.
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| Development | Construction of buildings. 2.5 acres is developed each year. Destroys land and needed wildlife
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| Problems with poor soil managment | Erosion- Process in which wind and water move land and destroy rock can be reduced with soild conversion
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| Porr soil managment | Nutrient depletion- Lack of needed nutrients in soil. Becomes infertile by lack of nutrients to prevent rotate crops allow root and leave fallow land
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| Desertification | Advance of desert like condition if fertile soil, happens when there is a giant change in the climate overgrazing animals, or extreme lack of trees.
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| Strip cropping | Alternate tall and short crops, prevents soil washout
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| Contour Plowing | Curved rows around a hill prevents soil erosion
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| Conversion Plowing | Leave dead plants in there place to hold topsoil
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| Terracing | Build land into flat ridges of soil, prevents soil erosion
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| Windbreak | Rows of trees along edge of field to break wind, prevents soil erosion
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| Litter | dead leaves and grass and organic material
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| Topsoil | Mixture of rock fragments,nutrients, water and air.
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| Subsoil | Mixture of lots of rock fragments, a little bit of water, and a bit of air
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| Bedrock | Rock that makes up earth's crust that is destroyed by freezing
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
bluehicke35
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