The Air Around You - Part 2
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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| What is the importance of earth's atmosphere? | it makes conditions on earth suitable for living things
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| What sources of pollution release a great deal of smoke and dust into the air? | forest fires, soil erosion, and dust storms
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| How do erupting volcanoes cause pollution? | they spew out clouds of dust and ash, along with poisonous gases
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| What is most air pollution the result of? | burning fossil fuels, such as coal, oil, gasoline, and diesel fuel
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| Almost half of fossil fuel air pollution comes from what sources? | cars & other motor vehicles
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| What type of pollutants do fossil fuels produce? | carbon monoxide, nitrogen oxides, and sulfur oxides
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| What 2 things are caused by burning fossil fuels? | smog & acid rain
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| How is photochemical smog formed? | formed by the action of sunlight on pollutants, such as hydrocarbons and nitrogen oxides
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| How does acid rain form? | forms when nitrogen oxides and sulfur oxides combine with water in the air to form nitric acid and sulfuric acid
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| Who monitors air pollutants in the US? | Environmental Protection Agency
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| What is something that people can do to help reduce pollution? | use more public transportation instead of driving a car
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| Why are the small percentage of the remaining gases in dry air called trace gases? | because only small amounts of them are present
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| Besides oxygen, what 2 things do all living things need to survive? | warmth & liquid water
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| What does the atmosphere protect living things from? | the sun's ultraviolet radiation
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| What does the atmosphere prevent from hitting the earth? | meteroids
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| What is water vapors important role in earth's weather? | to make clouds
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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:
lprinke
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