9.3 The Greenhouse Effect

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What are greenhouse gases?
Greenhouse gases are gases in Earth’s atmosphere that trap heat. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere. The main greenhouse gases are:
Water vapor (H2O)
Carbon dioxide (CO2)
Methane (CH4)
Ozone (O3)
Nitrous oxide (N2O)
Chlorofluorocarbons (CFCs)

Which of the following is true about greenhouse gases?

They stop sunlight from getting through the atmosphere

The allow the earth to cool down by increasing the amount of snow

They trap/keep heat inside the atmosphere 

They appear green when you see them

Why is the earth getting warmer?
Extra greenhouse gases (<---CLICK THE LINK!) in our atmosphere are the main reason that Earth is getting warmer. Greenhouse gases, such as carbon dioxide (CO2) and methane, trap the Sun's heat in Earth's atmosphere.
It's normal for there to be some greenhouse gases in our atmosphere. They help keep Earth warm enough to live on. But too many greenhouse gases can cause too much warming.

Which of the following is TRUE?

It is NOT normal to have SOME greenhouse gases in the atmosphere

Greenhouse gases release heat from the atmosphere

Too many greenhouse gases can cause too much warming 

More greenhouse gases are making our earth colder

Why are greenhouse gases important?
Overall, greenhouse gases are a good thing. Without them, our planet would be too cold, and life as we know it would not exist. But there can be too much of a good thing. Scientists are worried that human activities are adding too much of these gases to the atmosphere.

If there were not greenhouse gases in the atmosphere, why would that be a problem?

The earth would have more plants than animals

The earth would be too hot and would burn up

The earth would get smaller

The earth would be too cold for things to live

Questions 4 & 5

02:34

Over the last century, humans have burned coal, oil, and gasoline in our cars, trucks, planes, trains, power plants, and factories. Burning such fossil fuels, known as combustion, produces CO2 as a waste product.

What human activity is causes the biggest increase in the amount of greenhouse gases?

Combustion

Ocean Exchange/uptake

Photosynthesis

Respiration

Based on the diagram above, what greenhouse gas is found in the greatest amount?

Carbon Dioxide (CO2)

Methane (CH4)

Nitrous oxide (N2O)

Water vapor (H2O)

The graph above shows where the majority of greenhouse gases come from.

Based on this, what 2 things release the most greenhouse gases?

Agriculture & Buildings

Buildings & Transportation

Electricity & Agriculture

Industry & Transportation

The majority of greenhouse gases come from electricity. While renewable energy is rapidly growing it still only accounts for 10-15% of the total energy supply. The remaining 85-90% comes from burning fossil fuels like coal, oil, and natural gas. That's right, power plants burn fossil fuels (called combustion) to create the electricity powering your house!

Why does the creation of electricity release greenhouse gases?

The majoirty of electricity is made by lightning which causes fires, releasing carbon

The majoirty of electricity is created by using solar panels which releases carbon dioxide

The majority of electricity is made by burning wood in a fireplace which releases carbon dioxide into the atmosphere

The majority of electricity is made by burning  fossil fuels which releases carbon dioxide into the atmosphere

24% Agriculture:
Most of these emissions are from the farming of crops & livestock (cows, pigs, chickens). Irrigation practices, synthetic fertilizers, and the breakdown of nitrogen in livestock manure (poop) and urine result in the emissions of nitrous oxide (N2O). Nitrous oxide (N2O) molecules stay in the atmosphere for 114 years, and they are 300x more powerful than carbon dioxide. A third of the agriculture emissions come from methane (CH4). Livestock produce methane (CH4) as a part of their normal digestive process. Their manure (poop) adds to both nitrous oxide and methane emissions.

Which of the following is NOT true?

Emissions from farming and livestock increase greenhouse gases

The greenhouse gas nitrous oxide is released by synthetic fertilizers and duirng the breakdown of livestock manure and urine

The greenhouse gas nitrous oxide is less powerful than carbon dioxide

Livestock manure adds to both the amount of methane & nitrous oxide

As we have seen, carbon dioxide it the greenhouse gas that is being released at highest rate and in the largest amounts. What 2 processes help to remove carbon dioxide (CO2) from the atmosphere?

(Select 2 correct answers)

Ocean exchange

Respiration

Combustion

Photosynthesis

Go HERE for questions 21-24.

Use the website to fill in the chart on your paper.

Use the website to fill in the chart on your paper. Where is it found (location)?

Draw a diagram and label to explain the greenhouse effect on your paper.

Which step of the carbon cycle is the most involved in global climate change?

Combustion

Respiration

Photosynthesis

Decomposition

How does deforestation affect the amount of CO2 in the atmosphere?

Decreases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to cutting down trees and increasing photosynthesis

Increases CO2 due to cutting down trees and decreasing photosynthesis

How does the ocean affect the amount of CO2 in the atmosphere?

Increases CO2 due to cutting down trees and increasing photosynthesis

Decreases CO2 due to cutting down trees and decreasing photosynthesis

Decreases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

What does the exchange do to the oceans?

Decreases the acidity of the ocean

Increases the acidity of the atmosphere

Increases the acidity of the ocean

Decreases the acidity of the atmosphere

Explain how the industrial revolution has increased the amount of carbon dioxide in the atmosphere.

What are greenhouse gases?
Greenhouse gases are gases in Earth’s atmosphere that trap heat. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere. The main greenhouse gases are:
Water vapor (H2O)
Carbon dioxide (CO2)
Methane (CH4)
Ozone (O3)
Nitrous oxide (N2O)
Chlorofluorocarbons (CFCs)

Which of the following is true about greenhouse gases?

They stop sunlight from getting through the atmosphere

The allow the earth to cool down by increasing the amount of snow

They trap/keep heat inside the atmosphere 

They appear green when you see them

Why is the earth getting warmer?
Extra greenhouse gases (<---CLICK THE LINK!) in our atmosphere are the main reason that Earth is getting warmer. Greenhouse gases, such as carbon dioxide (CO2) and methane, trap the Sun's heat in Earth's atmosphere.
It's normal for there to be some greenhouse gases in our atmosphere. They help keep Earth warm enough to live on. But too many greenhouse gases can cause too much warming.

Which of the following is TRUE?

It is NOT normal to have SOME greenhouse gases in the atmosphere

Greenhouse gases release heat from the atmosphere

Too many greenhouse gases can cause too much warming 

More greenhouse gases are making our earth colder

Why are greenhouse gases important?
Overall, greenhouse gases are a good thing. Without them, our planet would be too cold, and life as we know it would not exist. But there can be too much of a good thing. Scientists are worried that human activities are adding too much of these gases to the atmosphere.

If there were not greenhouse gases in the atmosphere, why would that be a problem?

The earth would have more plants than animals

The earth would be too hot and would burn up

The earth would get smaller

The earth would be too cold for things to live

Over the last century, humans have burned coal, oil, and gasoline in our cars, trucks, planes, trains, power plants, and factories. Burning such fossil fuels, known as combustion, produces CO2 as a waste product. 

What human activity is causes the biggest increase in the amount of greenhouse gases?

Combustion

Ocean Exchange/uptake

Photosynthesis

Respiration

How is carbon dioxide primarily released?

Air conditioning

Livestock

Solid waste

Combustion/burning fossil fuels

What is the global warming potential of CO2?

28-36

1

23,500

265-298

Besides oil & gas, how else is methane release?

Water vapor

Aerosl cans

Livestock & agriculture

Insulation

What is the global warming potential of CH4?

1

28-36

23,500

265-298

What released carbon dioxide, methane, and nitrous oxide?

Livestock

Agriculture 

Organic waste

Fossil fuels/coal/oil

What is the global warming potential of N2O?

28-36

23,500

1

265-298

What is FALSE about Fluorinated gases?

They can be released by aersol cans

They can be released by insulation

They can be released  by air conditioning

They are naturally created

Which two greenhouse gases stay in the atmosphere the longest?
(Select 2 correct answers)

Methane

Fluorinated gases

Nitrous Oxide

Carbon Dioxide

Which greenhouse gas has the largest global warming potential?

Flourinated gases

Methane

Nitrous Oxide

Carbon dioxide

Based on the diagram above, what greenhouse gas is found in the greatest amount?

Carbon Dioxide (CO2)

Methane (CH4)

Nitrous oxide (N2O)

Water vapor (H2O)

The graph above shows where the majority of greenhouse gases come from. 

Based on this, what 2 things release the most greenhouse gases?

Agriculture & Buildings

Buildings & Transportation

Electricity & Agriculture

Industry & Transportation

The majority of greenhouse gases come from electricity. While renewable energy is rapidly growing it still only accounts for 10-15% of the total energy supply. The remaining 85-90% comes from burning fossil fuels like coal, oil, and natural gas. That's right, power plants burn fossil fuels (called combustion) to create the electricity powering your house!  

Why does the creation of electricity release greenhouse gases?

The majoirty of electricity is made by lightning which causes fires, releasing carbon

The majoirty of electricity is created by using solar panels which releases carbon dioxide

The majority of electricity is made by burning wood in a fireplace which releases carbon dioxide into the atmosphere

The majority of electricity is made by burning  fossil fuels which releases carbon dioxide into the atmosphere

24% Agriculture:
Most of these emissions are from the farming of crops & livestock (cows, pigs, chickens). Irrigation practices, synthetic fertilizers, and the breakdown of nitrogen in livestock manure (poop) and urine result in the emissions of nitrous oxide (N2O). Nitrous oxide (N2O) molecules stay in the atmosphere for 114 years, and they are 300x more powerful than carbon dioxide.  A third of the agriculture emissions come from methane (CH4). Livestock produce methane (CH4) as a part of their normal digestive process. Their manure (poop) adds to both nitrous oxide and methane emissions.

Which of the following is NOT true?

Emissions from farming and livestock increase greenhouse gases

The greenhouse gas nitrous oxide is released by synthetic fertilizers and duirng the breakdown of livestock manure and urine

The greenhouse gas nitrous oxide is less powerful than carbon dioxide

Livestock manure adds to both the amount of methane & nitrous oxide

As we have seen, carbon dioxide it the greenhouse gas that is being released at highest rate and in the largest amounts. What 2 processes help to remove carbon dioxide (CO2) from the atmosphere?

(Select 2 correct answers)

Ocean exchange

Respiration

Combustion

Photosynthesis

Which step of the carbon cycle is the most involved in global climate change?

Combustion

Respiration

Photosynthesis

Decomposition

How does deforestation affect the amount of CO2 in the atmosphere?

Decreases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to cutting down trees and increasing photosynthesis

Increases CO2 due to cutting down trees and decreasing photosynthesis

How does the ocean affect the amount of CO2 in the atmosphere?

Increases CO2 due to cutting down trees and increasing photosynthesis

Decreases CO2 due to cutting down trees and decreasing photosynthesis

Decreases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

Increases CO2 due to the ocean absorbing more through ocean-atmosphere exchange

What does the exchange do to the oceans?

Decreases the acidity of the ocean

Increases the acidity of the atmosphere

Increases the acidity of the ocean

Decreases the acidity of the atmosphere

How is carbon dioxide primarily released?

Air conditioning

Livestock

Solid waste

Combustion/burning fossil fuels

What is the global warming potential of CO2?

28-36

1

23,500

265-298

Besides oil & gas, how else is methane release?

Water vapor

Aerosl cans

Livestock & agriculture

Insulation

What is the global warming potential of CH4?

1

28-36

23,500

265-298

What released carbon dioxide, methane, and nitrous oxide?

Livestock

Agriculture 

Organic waste

Fossil fuels/coal/oil

What is the global warming potential of N2O?

28-36

23,500

1

265-298

What is FALSE about Fluorinated gases?

They can be released by aersol cans

They can be released by insulation

They can be released  by air conditioning

They are naturally created

Which two greenhouse gases stay in the atmosphere the longest?
(Select 2 correct answers)

Methane

Fluorinated gases

Nitrous Oxide

Carbon Dioxide

Which greenhouse gas has the largest global warming potential? 

Flourinated gases

Methane

Nitrous Oxide

Carbon dioxide

9.3 The Greenhouse Effect

9.3 The Greenhouse Effect

Go HERE for questions 21-24.

Use the website to fill in the chart on your paper.

Use the website to fill in the chart on your paper. Where is it found (location)?

Draw a diagram and label to explain the greenhouse effect on your paper.

Explain how the industrial revolution has increased the amount of carbon dioxide in the atmosphere.

Why is the earth getting warmer?

Over the last century, humans have burned coal, oil, and gasoline in our cars, trucks, planes, trains, power plants, and factories. Burning such fossil fuels, known as combustion, produces CO2 as a waste product. What human activity is causes the biggest increase in the amount of greenhouse gases?

Based on the diagram above, what greenhouse gas is found in the greatest amount?

The graph above shows where the majority of greenhouse gases come from. Based on this, what 2 things release the most greenhouse gases?

As we have seen, carbon dioxide it the greenhouse gas that is being released at highest rate and in the largest amounts. What 2 processes help to remove carbon dioxide (CO2) from the atmosphere?(Select 2 correct answers)

(Select 2 correct answers)

Go HERE for questions 21-24.

Use the website to fill in the chart on your paper.

Use the website to fill in the chart on your paper. Where is it found (location)?

Draw a diagram and label to explain the greenhouse effect on your paper.

Which step of the carbon cycle is the most involved in global climate change?

How does deforestation affect the amount of CO2 in the atmosphere?

How does the ocean affect the amount of CO2 in the atmosphere?

What does the exchange do to the oceans?

Explain how the industrial revolution has increased the amount of carbon dioxide in the atmosphere.

Why is the earth getting warmer?

How is carbon dioxide primarily released?

What is the global warming potential of CO2?

Besides oil & gas, how else is methane release?

What is the global warming potential of CH4?

What released carbon dioxide, methane, and nitrous oxide?

What is the global warming potential of N2O?

What is FALSE about Fluorinated gases?

Which two greenhouse gases stay in the atmosphere the longest?(Select 2 correct answers)

(Select 2 correct answers)

Which greenhouse gas has the largest global warming potential?

(Select 2 correct answers)

(Select 2 correct answers)

Over the last century, humans have burned coal, oil, and gasoline in our cars, trucks, planes, trains, power plants, and factories. Burning such fossil fuels, known as combustion, produces CO2 as a waste product.

What human activity is causes the biggest increase in the amount of greenhouse gases?

The graph above shows where the majority of greenhouse gases come from.

Based on this, what 2 things release the most greenhouse gases?

As we have seen, carbon dioxide it the greenhouse gas that is being released at highest rate and in the largest amounts. What 2 processes help to remove carbon dioxide (CO2) from the atmosphere?

(Select 2 correct answers)

Which two greenhouse gases stay in the atmosphere the longest?
(Select 2 correct answers)