05:38 AMSanders

7.9 Greenhouse Effect7.9 Greenhouse Effect

Unit 7: Water Cycle and Climate

Unit 7: Water Cycle and Climate

05:38 AMUnit 7: Water Cycle and Climate

VocabularyVocabulary

Global Warming: an increase in average Earth temperatures

Greenhouse Gases: infrared radiation is absorbed by carbon dioxide, water vapor, methane, and other gases in the atmosphere

Global Warming: an increase in average Earth temperatures

Greenhouse Gases: infrared radiation is absorbed by carbon dioxide, water vapor, methane, and other gases in the atmosphere

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EnergyEnergy

Everything you do or that is done in the universe, involves the use of energy.

Everything you do or that is done in the universe, involves the use of energy.

Unit 7: Water Cycle and Climate

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Energy from the SunEnergy from the Sun

Unit 7: Water Cycle and Climate

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Energy TransactionEnergy Transaction In any energy

transfer, there is a reduction in energy with heat as a by product.

What wavelength is reflected from visible light?

In any energy transfer, there is a reduction in energy with heat as a by product.

What wavelength is reflected from visible light?

Unit 7: Water Cycle and Climate

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Greenhouse EffectGreenhouse Effect Earth’s surface radiation consists

mostly of long infrared radiation, which can be absorbed by greenhouse gases. Carbon dioxide Water vapor Methane Other gases in the atmosphere

Earth’s surface radiation consists mostly of long infrared radiation, which can be absorbed by greenhouse gases. Carbon dioxide Water vapor Methane Other gases in the atmosphere

Unit 7: Water Cycle and Climate

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How does the Greenhouse Work?

How does the Greenhouse Work?

Absorption of infrared warms the atmosphere and causes it to act as a blanket

Absorption of infrared warms the atmosphere and causes it to act as a blanket

Unit 7: Water Cycle and Climate

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What HappensWhat Happens

The overall effect is a global temperature between 55oF and 60oF.

It would otherwise average 0oF.

The overall effect is a global temperature between 55oF and 60oF.

It would otherwise average 0oF.

Unit 7: Water Cycle and Climate

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Global WarmingGlobal Warming In recent years, there has been a

concern that the greenhouse effect may be causing global warming.

This is an increase in temperature.

In recent years, there has been a concern that the greenhouse effect may be causing global warming.

This is an increase in temperature.

Unit 7: Water Cycle and Climate

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Fossil FuelsFossil Fuels

The burning of fossil fuels releases additional carbon dioxide and other greenhouse gasses into the atmosphere.

The burning of fossil fuels releases additional carbon dioxide and other greenhouse gasses into the atmosphere.

Unit 7: Water Cycle and Climate

Above is a traffic jam in Chinathat lasted over 9 days.

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Sources of Greenhouse Gasses

Sources of Greenhouse Gasses

Water vapor is the most effective greenhouse gas.

Methane, the gas with the greatest affinity for warming the atmosphere comes form cows.

Water vapor is the most effective greenhouse gas.

Methane, the gas with the greatest affinity for warming the atmosphere comes form cows.

April 19, 2023 Unit 7: Water Cycle and Climate

05:38 AMApril 19, 2023 Unit 7: Water Cycle and Climate

05:38 AM