Is the Earth Warming? a Test of the Effect of Increased Carbon Dioxide on the Thermal Properties of Air
Students investigate the environmental and economic effects of increased carbon dioxide (CO2) content in the atmosphere.
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Essential Oil Extraction Using Liquid CO2
When life hands you lemons ... experiment on them! Green chemistry gurus compare extraction methods for essential oils through a lab activity. Lab groups use traditional distillation and liquid carbon dioxide extraction methods, then...
9th - 12th Science CCSS: Adaptable
Getting to the Core: The Link Between Temperature and Carbon Dioxide
Polar ice samples provide scientists with valuable information about the condition of the atmosphere for hundreds of thousands of years in the past. Of particular interest is the amount of carbon dioxide in the atmosphere and its...
6th - 10th Science
Can Carbon Dioxide Act Like a Greenhouse Gas?
Ninety-seven percent of scientists who study climate agree that human activity is warming the planet. Learners explore carbon dioxide as a greenhouse gas, a gas causing this warming, through a hands-on experiment. Once complete, they...
6th - 12th Science CCSS: Adaptable
How Quantum Mechanics Explains Global Warming
What do quantum mechanics and global warming have to do with each other? More than you might think. Surprisingly, this video explains how it's not the energy emitted from the sun that causes the problem, but how the infrared radiation...
5 mins 9th - 12th Science CCSS: Adaptable