Unit 4 Vocab.
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| Greenhouse effect | Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
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| Global Warming | An increase in the average temperature of the earth's atmosphere
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| Ozone | A form of oxygen that has three oxygen atoms in each molecule instead of the usual two
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| Climate | Overall weather in an area over a long period of time
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| Sustainability | the ability to maintain
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| Renewable resource | natural resource that can be replaced at the same rate at which the resource is consumed
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| Non renewable resource | a resource that cannot be reused or replaced easily
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| Biodegradable | Capable of being broken down by bacteria and other decomposers
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| Non-biodegradable | Pollutants that cannot be broken down by natural resources
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| Composting | process of helping biodegradable wastes to decompose naturally
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| Migration | relocation
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| Emission | the production and discharge of something, especially gas or radiation
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| Absorption | process in which incident radiated energy is retained without reflection or transmission on passing through a medium
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| EM Spectrum | all types of EM waves arranged in order of their frequency and wavelength
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| Troposphere | lowest layer of Earth's atmosphere
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| Mesosphere | 3rd layer of the atmosphere
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| Stratosphere | 2nd layer of atmosphere
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| Thermosphere | outermost layer of Earth's atmosphere
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| Conduction | Form of heat transfer where heat energy is directly transferred between molecules through molecular collisions or direct contact
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| Albedo | Ability of a surface to reflect light
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| Natural resources | Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
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| River Delta | an area of fertile land in the shape of a triangle which in Greek is the shape of the letter Delta
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| Soil erosion | Movement of soil components, especially topsoil, from one place to another, usually by wind, flowing water, or both
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| Drought | long period of dry weather
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| Mass migration | population movements of a large number of people
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| Sea level | average level of the ocean's surface at any given time
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| Conservation | Ability to recognize that objects can e transformed in some way, visually or phycially, yet still be the same in number, weight, substance, or volume
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| Recycling | Convert waste into reusable material
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| Reuse | To use again
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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.
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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:
Austin Meade
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