Difference between revisions of "Pollution"
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===Meaning=== | ===Meaning=== | ||
'''Pollution''' is the harmful [[Chemical|chemicals]] that go into the [[Environment|environment]] usually made by [[Human|humans]]. | '''Pollution''' is the harmful [[Chemical|chemicals]] that go into the [[Environment|environment]] usually made by [[Human|humans]]. | ||
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| + | ===About Pollution=== | ||
| + | : Pollution can be in the [[water]] or in the [[air]]. | ||
| + | : [[Factory|Factories]] often produce [[pollution]] that gets into the [[air]], including [[soot]] that can affect our [[breathing]] as well as [[Sulphur Dioxide]] and [[Nitrogen Oxide]]s which cause [[Acid Rain|acid rain]]. | ||
| + | : [[Plastic]] is currently considered a major [[pollution]] in the [[ocean]]s and is responsible for the deaths of countless [[animal]]s every year. | ||
| + | : [[Fertiliser]]s used on crops is a major source of [[pollution]] for [[river]]s and [[lake]]s and can cause [[eutrophication]]. | ||
===Pollution in a Food Chain=== | ===Pollution in a Food Chain=== | ||
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| style="height:20px; width:500px; text-align:center;" |In this [[diagram]] the poison is shown by yellow X's. If each gazelle eats two bushes, then the gazelles will get twice as much poison as the bush. If a cheetah eats two gazelles, then the cheetah will get twice as much poison as the gazelle had. | | style="height:20px; width:500px; text-align:center;" |In this [[diagram]] the poison is shown by yellow X's. If each gazelle eats two bushes, then the gazelles will get twice as much poison as the bush. If a cheetah eats two gazelles, then the cheetah will get twice as much poison as the gazelle had. | ||
|} | |} | ||
| + | |||
| + | ==Key Stage 4== | ||
| + | ===Meaning=== | ||
| + | '''Pollution''' is the harmful [[Chemical|chemicals]] that go into the [[Environment|environment]] usually made by [[Human|humans]]. | ||
| + | |||
| + | ===Pollution and Disease=== | ||
| + | : Air '''pollution''' is a [[Risk Factor|risk factor]] in [[lung]] [[disease]]s including [[Lung Cancer]]. | ||
Revision as of 18:52, 11 November 2018
Contents
Key Stage 3
Meaning
Pollution is the harmful chemicals that go into the environment usually made by humans.
About Pollution
- Pollution can be in the water or in the air.
- Factories often produce pollution that gets into the air, including soot that can affect our breathing as well as Sulphur Dioxide and Nitrogen Oxides which cause acid rain.
- Plastic is currently considered a major pollution in the oceans and is responsible for the deaths of countless animals every year.
- Fertilisers used on crops is a major source of pollution for rivers and lakes and can cause eutrophication.
Pollution in a Food Chain
- When farmers grow crops, wild animals sometimes eat them, so the farmers spray the crops with poison.
- When the animals die from the poison, they are eaten by other animals which then also eat the poison.
- The poison builds up in the food chain, meaning the top carnivore often has a lot more poison than was originally sprayed on the crops. This can be very harmful to them and even kill them.
 |
| In this diagram the poison is shown by yellow X's. If each gazelle eats two bushes, then the gazelles will get twice as much poison as the bush. If a cheetah eats two gazelles, then the cheetah will get twice as much poison as the gazelle had. |
Key Stage 4
Meaning
Pollution is the harmful chemicals that go into the environment usually made by humans.
Pollution and Disease
- Air pollution is a risk factor in lung diseases including Lung Cancer.