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4.4.1 Explaining Change - Earth's Atmosphere > S4.4.1 Glossary > Flashcards

S4.4.1 Glossary Flashcards

1
Q

abiotic

A

An environmental factor which is not living

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2
Q

absorb

A

To take in

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3
Q

aerobic biological treatment

A

The use of bacteria to break down waste using oxygen

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4
Q

algae

A

Single celled organisms which live in water and can photosynthesise

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5
Q

ammonia

A

A compound released during volcanic eruptions

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6
Q

anaerobic digestion

A

The breaking down of waste without oxygen

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7
Q

anthropogenic

A

Changes which are caused by humans

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8
Q

atmosphere

A

The layer of gases which surround a planet

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9
Q

average temperature

A

The mean temperature, calculated using readings from around the world

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10
Q

biomass

A

The mass of an organism when all of the water is taken away

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11
Q

biotic

A

An environmental factor which is living

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12
Q

carbon dioxide

A

A greenhouse gas released during volcanic eruptions

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13
Q

carbon cycle

A

How carbon is recycled for use by organisms in the environment

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14
Q

carbon monoxide

A

A poisonous gas produced by incomplete combustion

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15
Q

climate change

A

Changes in weather patterns, global temperatures, seasons, etc.

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16
Q

combustion

A

Burning

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17
Q

concentration

A

The amount of something, e.g. in a liquid or in an area

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18
Q

condensation

A

The change of state when a gas cools to form a liquid

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19
Q

consequences

A

The result of something happening

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20
Q

desalination

A

The removal of salt from saltwater

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21
Q

distribution

A

Where in an environment an organism is found

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22
Q

ecosystem

A

The living and non-living parts of an environment

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23
Q

enhanced

A

Increased in some way

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24
Q

evaporation

A

The change of state when a liquid forms a gas

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25
Q

evolve

A

A change over time

26
Q

fossil fuels

A

Fuels which are made from living organisms that have been buried for millions of years

27
Q

freezing

A

The change of state when a liquid cools to form a solid

28
Q

greenhouse effect

A

The trapping of infrared radiation by the Earth’s atmosphere

29
Q

greenhouse gas

A

A gas which absorbs infrared radiation in the atmosphere, e.g. carbon dioxide

30
Q

habitats

A

Where an organism lives

31
Q

human activities

A

Things that humans do

32
Q

melting

A

The change of state when a solid heats up to form a liquid

33
Q

methane

A

A greenhouse gas released during volcanic eruptions, by cattle and rice

34
Q

microorganisms

A

Microscopic organisms, usually single celled

35
Q

mineral ions

A

Ions found in soil which are absorbed by plants

36
Q

mitigation

A

Trying to reduce the effects of something

37
Q

nitrogen

A

A gaseous element produced during volcanic eruptions

38
Q

nitrogen oxides

A

A compound of nitrogen and different numbers of oxygen

39
Q

oxygen

A

A product of photosynthesis and a reactant of aerobic respiration

40
Q

oxygen rich

A

Something which contains lots of oxygen

41
Q

particulates

A

Tiny particles of carbon which are produced by incomplete combustion

42
Q

photosynthetic

A

Describes something which can carry out photosynthesis

43
Q

pollutants

A

Substances which have negative effects on something, e.g. air or water

44
Q

potable water

A

Water which is safe to drink

45
Q

precipitation

A

How water is released from clouds - rain, snow, sleet or hail

46
Q

producers

A

Organisms which can make their own food

47
Q

purification

A

A process which removes impurities to make a pure substance

48
Q

radiation

A

Transfer of energy by waves

49
Q

reflect

A

To bounce off something

50
Q

respiration

A

Process which releases energy in cells

51
Q

reverse osmosis

A

Water is forced through a partially permeable membrane out of a concentrated solution

52
Q

screening

A

The removal of solid substances, similar to filtering

53
Q

sedimentary rocks

A

Rocks formed of layers which have been compacted and cemented together

54
Q

sedimentation

A

The process of sediments being laid down in layers over time

55
Q

sewage treatment

A

How sewage is removed or made less harmful in water

56
Q

sterilisation

A

The process of destroying pathogens/bacteria

57
Q

sulphur dioxide

A

A pollutant which causes acid rain

58
Q

transmit

A

To produce a wave or allow a wave to pass through

59
Q

water cycle

A

The process of water being recycled through the environment

60
Q

water vapour

A

The gaseous form of water

61
Q

volcanic activity

A

Volcanic eruptions

4.4.1 Explaining Change - Earth's Atmosphere (2 decks)

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