Global Climate Change
Greenhouse Gas Lab
 Overview of Activity
In this classroom activity, students compare the ability of carbon dioxide to absorb heat as compared to air.
Activity Type:
In Class
URL: http://www.letus.nwu.edu/projects/gw/activities.html#partII and scroll down to C9, Greenhouse Gas Lab.
Level of Difficulty:
Intermediate
Amount of Time Required for Activity:
Two 45-minute periods
Description
Students fill one flask with carbon dioxide given off from an Alka-Seltzer tablet and fill another flask with air. They insert thermometers into each flask and place the flasks in front of a heat source. The students observe the change in temperatures in each flask until the temperatures levels off. They graph their measurements and compare the results from the two flasks. The students then compare their results with the rest of the class.
This activity is produced by The Center for Learning Technologies in Urban Schools.
Relation to the Science Standards
Middle School
Content Standard B – Transfer of Energy
High School
Content Standard D – Energy in the Earth System
Content Standard D – Geochemical Cycles
Content Standard F – Environmental Quality
Related Part of the Exhibit
Greenhouse Effect
PDFs Related to the Activity
Teacher Directions
http://www.letus.nwu.edu/projects/gw/pdf/C09.pdf
Teacher Resources
http://www.letus.nwu.edu/projects/gw/pdf/C09t1.pdf
http://www.letus.nwu.edu/projects/gw/pdf/C09t2.pdf http://www.letus.nwu.edu/projects/gw/pdf/C09t3.pdf
Student Resources
http://www.letus.nwu.edu/projects/gw/pdf/C09s1.pdf http://www.letus.nwu.edu/projects/gw/pdf/C09_graph.pdf
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