dawson chapter 1 science
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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| Most of the earth's surface is covered by? | water
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| surrounding the earth is a blanket of air called the what? | atmosphere
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| the gases of the earth's atmosphere make earth the only planet known to be able to support life |
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| animals need to breath this gas from the air | oxygen
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| plants use this to make food | carbon dioxide
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| any material found on or in earth that is used by people | natural resource
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| what are the earth's basic natural resources (3) | air, water, and land
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| a solid found in nature that has a definite chemical makeup | mineral
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| esamples of minerals are | salt, chalk, metal ores, and gems such as diamonds
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| a valuable mineral from earth is | gold
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| natural resources called fossil fuels are | oil, natural gas, and coal
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| fossil fuels are substances that formed when plants and animals living millions of years ago | decayed
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| renewable resources CAN be replaced within a person's lifetime | water, tree, air
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| nonrenewable CAN NOT be replaced within a person's lifetime | coal, oil, soil, and natural gases-gasoline
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| inexhaustible resources DOES NOT DECREASE or become used up as people use it | example is wind, can drive windmills to produce electricity
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| any unwanted or harmful material found in the environment | pollution (litter and dirty water)
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| unwanted or harmful material found in the air | air pollution..wind can pick up and carry dust and pollen
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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:
haley.conley
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