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Science 10 AP > Unit D: Section 3.0 > Flashcards

Unit D: Section 3.0 Flashcards

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1
Q

What does the natural greenhouse effect do?

A

Keeps our planet warm by absorbing thermal energy radiated by Earth’s surface

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2
Q

What are the 4 main greenhouse gases?

A
  • Water vapor
  • Carbon Dioxide
  • Methane
  • Nitrous Oxide
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3
Q

What does GWP stand for?

A

Global Warming Potential

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4
Q

What is GWP a measure of?

A

The ability of gas to trap thermal energy in the atmosphere

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5
Q

What is the longest persisting gas?

A

Carbon Dioxide

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6
Q

Which gas has the most GWP?

A

Nitrous Oxide

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7
Q

How has the amount of greenhouse gases changed over time?

A

They have increased over time

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8
Q

What could happen as a result of increased greenhouse gases?

A
  • Less thermal energy is released into space

- Earths average temperature could increase

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9
Q

What is the increase of greenhouse gases related to?

A

The industrial revolution

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10
Q

What does producing fossil fuels release into the air?

A

Methane and Carbon dioxide

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11
Q

What does burning fossil fuel produce?

A

Carbon Dioxide and Nitrous oxide

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12
Q

What is a carbon source?

A

Any process that releases carbon dioxide into the atmosphere

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13
Q

What is a carbon sink?

A

Any process that removes carbon dioxide from the air

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14
Q

How does agriculture contribute to greenhouse gasses?

A

Nitrous oxide is released by manure and chemical fertilizers

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15
Q

What are Halocarbons?

A

Human-made chemicals that can absorb significant amounts of thermal energy

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16
Q

What is the enhanced greenhouse gas effect?

A

The change in Earth’s net radiation budget caused by the increase in human-generated greenhouse gases

17
Q

What is Global Warming?

A

The increase of the Earth’s average temperature

18
Q

What is the evidence that the earth is undergoing climate change?

A
  • Global Warming
  • Early flower blooming
  • Severe Weather
19
Q

What is the General Circulation model?

A

A climate model that incorporates the laws of physics to model global climate

20
Q

How do scientists collaborate on climate change?

A

Because it is so expensive they often pool their resources to use the technology to their best advantage

21
Q

What is the Montreal protocol?

A

AN international agreement to phase out the production of CFCs

22
Q

How many nations signed the Montreal protocol?

A

182

23
Q

How do CFCs affect the earth?

A

They react with ozone in the atmosphere converting it to oxygen

24
Q

What is the function of the ozone?

A

It absorbs the UV radiation

25
Q

What are hydrofluorochlorocarbons?

A

Chemicals with similar properties to CFCs but destroy ozone much slowly

26
Q

What is the United Nations Framework Convention on Climate Change?

A

An agreement by the world’s nations to act to stabilize greenhouse gas emissions

27
Q

What is sustainable development?

A

The use of the world resources in ways the maintain resources for future generation

28
Q

What is the Kyoto protocol?

A

An international agreement to reduce greenhouse gases

29
Q

What is the goal of the Kyoto protocol?

A

To reduce the greenhouse gasses by 5%

30
Q

What is a key feature of the Kyoto protocol?

A

Emission Reductions

31
Q

What are emission reduction credits?

A

Credits that are given to countries for actions that contribute to the global reduction of greenhouse gasses

32
Q

When are ERCs awarded?

A
  • When a developed country helps a developing country reduce its emission
  • When a developed country helps another developed country that has temporary economic problems
  • When a country engages in practices that help remove carbon dioxide from the atmosphere
33
Q

What is Carbon dioxide sequestering?

A

Carbon dioxide is pumped into the ground to help extract oil reserves

Science 10 AP (13 decks)

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