NN STEM Day: What is air?
Virtual Science Teac
Created on May 20, 2023
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Transcript
Select Earth's atmosphere.
What is air?
Air is the invisible mixture of gases that make up Earth's atmosphere.
Select any of the models that respresent the different air molecules.
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Select the model that represents a nitrogen gas molecule.Each nitrogen molecule is made from two nitrogen atoms bonded together.
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Select the model that represents an oxygen gas molecule.Each oxygen gas molecule is made from two oxygen atoms bonded together.
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Select the model that represents a carbon dioxide gas molecule.Each carbon dioxide gas molecule is made from one carbon atom and two oxygen atoms bonded together.
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Which gas makes up about 80% of Earth's atmosphere?
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Oxygen (O2)
Carbon Dioxide (CO2)
Nitrogen (N2)
No, oxygen makes up about 20% of our atmosphere. Try again!
No, carbon dioxide actually makes up less than 1% of our atmosphere. Try again!
Yes! Nitrogen Gas (N2) makes up about 80% of Earth's atmosphere.Select one of the nitrogen gas molecules.
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Which gas in the air do our lungs absorb when we breathe in?
Oxygen (O2)
Carbon Dioxide (CO2)
Nitrogen (N2)
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We don't breathe in carbon dioxide. But, we do breathe it out! Try again.
Not quite. Try again!
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Yes! All animals need to breathe in oxygen gas (O2) to live.Oxygen gas makes up about 20% of the atmosphere.
Select one of the oxygen gas molecules.
The atmosphere also contains a very tiny percentage of other gases, such as methane, water vapor, and carbon dioxide.
Select the carbon dioxide (CO2) molecule.
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Ooh ooh! Studying the composition of the atmosphere (air) is a perfect time to use a pie chart!
Drag the labels so they correctly show the composition of air on the pie chart. When the labels are correctly placed, a message will appear.
The Composition of Air
Well done! Select here.
Oxygen Gas (O2)20.95%
Argon Gas (Ar)0.93%
0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
Nitrogen Gas (N2)78.09%
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Pie charts are useful when comparing parts of a whole.
Try this activity another way!
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Wonderful work learning about the gas molecules that make up our air!
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Now let's investigate...Does air have weight?Does air take up space?Does air exert pressure?
What might be some pros and cons of using the internet to develop large language models?Type your ideas on the post-it notes.
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Pros
Cons
Large language models use lots and lots of data from the internetto make predictions about what words or phrases might come next.
Justin- do we want a pros cons concerning using the internet for generating just text or for all kinds of generative AI?Also, do we want to include a page that disucsses the pros and cons of using generative AI in general (for example, it might help people cheat or cause people to become less creative).
The Composition of Air
Argon Gas (Ar)0.93%
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Nitrogen Gas (N2)78.09%
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0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
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Oxygen Gas (O2)20.95%
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Select the label that corresponds to the most abundant gas in air.
The Composition of Air
Argon Gas (Ar)0.93%
Ar
Nitrogen Gas (N2)78.09%
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0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
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Oxygen Gas (O2)20.95%
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Select the label that corresponds to the most second most abundant gas in air.
The Composition of Air
Argon Gas (Ar)0.93%
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Nitrogen Gas (N2)78.09%
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0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
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Oxygen Gas (O2)20.95%
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Select the label that corresponds to the most third most abundant gas in air.Note: This gas makes up less than 1% of air!
The Composition of Air
Argon Gas (Ar)0.93%
Ar
Nitrogen Gas (N2)78.09%
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0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
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Oxygen Gas (O2)20.95%
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Finally, select the label that corresponds to rest of gases that together make up an extremely tiny (but still important) portion of air.
The Composition of Air
Argon Gas (Ar)0.93%
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Nitrogen Gas (N2)78.09%
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0.03% Other Gases to include Carbon Dioxide (CO2) and Methane (CH4)
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Oxygen Gas (O2)20.95%
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Nicely done!You've completed the pie chart.
Next
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What is air?