Term
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Definition
| The smallest unit of an element. |
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Term
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Definition
| 2 or more atoms joined by chemical bonds. (water, sugar, salt, vinegar) |
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Term
| State 3 ways the atmosphere is important to living organisms. |
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Definition
| Traps heat, contains necessary gases, helps maintain liquid water, blocks radiation, burns up meteroids. |
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Term
| What is the most abundant gas in the atmosphere? |
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Definition
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Term
| What percent of the atmosphere is nitrogen? |
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Definition
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Term
| What is the 2nd most abundant gas in the atmosphere? |
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Definition
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Term
| What percent of the atmosphere is oxygen? |
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Definition
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Term
| State three(3) gases (other than nitrogen and oxygen) that are in the Earth's atmosphere. |
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Definition
| carbon dioxide, water vapor, neon, hydrogen, argon. |
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Term
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Definition
| A form of oxygen containing 3 atoms instead of the usual 2 atoms. |
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Term
| Why is ozone important to the Earth's atmosphere? |
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Definition
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Term
| Give an example of RAPID oxidation. |
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Definition
| burning, campfires, grills |
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Term
| Give an example of SLOW oxidation. |
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Definition
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Term
| What organisms need carbon dioxide? |
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Definition
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Term
| What organisms need oxygen? |
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Definition
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Term
| What gas in the atmosphere is most important to the weather? |
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Definition
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Term
| What gas in the Earth's atmosphere changes its percent from day to day and season to season? |
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Definition
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Term
| State three (3) examples of solid particles in the Earth's atmosphere. |
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Definition
| dust, pollen, salt, smoke |
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Term
| State three (3) effects of air pollution on human health. |
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Definition
| irriate air ways, lung disease, headaches, allergies, dizziness, chest pain, coughing |
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Term
| What is the greatest cause of air pollution? |
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Definition
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Term
| What percent of air pollution is caused by cars and motor vehicles? |
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Definition
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Term
| What percent of air pollution comes from factories and plants? |
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Definition
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Term
| List 3 NATURAL sources of particles in the Earth's atmosphere. |
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Definition
| pollen, dust, mold, fires, soil erosion, volcanoes |
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Term
| What are two(2) ways that humans put particles into Earth's atmosphere? |
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Definition
| construction, burning, farming |
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Term
| How was the word SMOG formed? |
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Definition
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Term
| What is London type smog? |
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Definition
| caused by burning coal. Soot in the air combines with fog to form smog. |
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Term
| What is photochemical smog? |
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Definition
| caused by the sun reacting with gases and particles in the air. |
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Term
| What provides the energy needed for photochemical smog to form? |
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Definition
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Term
| What kinds of damage does ozone cause? |
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Definition
| damages rubber, paints and plastics. causes lung irritation. |
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Term
| What is a temperature inversion? |
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Definition
| When a layer of warm air traps polluted air below it. |
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Term
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Definition
| nitrogen and sulfur compounds in the air react with water to forms acids. |
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Term
| What damage does acid rain cause? |
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Definition
| erodes statues and masonry, harms plants, corrodes paint, and kills water animals. |
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Term
| What has helped improve air quality? |
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Definition
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Term
| What benefits come from air pollution regulations? |
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Definition
| the amount of air pollution has decreased |
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Term
| What are the negative impacts of air pollution regulations? |
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Definition
| they cost money and are hard to monitor. |
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Term
| As you go up in the atmosphere, what happens to the density of the air? |
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Definition
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Term
| What 2 instruments are used to measure air pressure? |
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Definition
| anaeroid barometer and mercury barometer |
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Term
| What is the advantage of an aneroid barometer? |
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Definition
| It is smaller and more portable because it doesn't contain a liquid. |
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Term
| State a unit used to measure air pressure. |
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Definition
| mm of mercury, inches of mercury, millibars, atmospheres |
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Term
| At low altitude, air pressure is _____. |
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Definition
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Term
| At high altitude, air pressure is ___. |
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Definition
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Term
| How does increasing altitude affect a human? |
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Definition
| It is harder to breath because the air is thinner, less oxygen. People can get headaches, feel dizzy or nauseated. |
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Term
| Name the lowest layer of the atmosphere. |
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Definition
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Term
| Name the second layer of the atmosphere. |
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Definition
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Term
| Name the middle layer of the atmosphere. |
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Definition
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Term
| Name the outermost layer of the atmosphere. |
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Definition
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Term
| What are the 2 sub-layers of the thermosphere? |
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Definition
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Term
| Which layer of the atmosphere does weather occur in? |
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Definition
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Term
| Which layer of the atmosphere is the hottest? |
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Definition
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Term
| Which layer of the atmosphere is the coldest? |
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Definition
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Term
| Which layer of the atmosphere contains ozone? |
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Definition
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