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  • Biology Inquiry Lessons
The Great Algae Race
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Educational Use
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In a multi-week experiment, student groups gather data from the photobioreactors that they build to investigate growth conditions that make algae thrive best. Using plastic soda bottles, pond water and fish tank aerators, they vary the amount of carbon dioxide (or nutrients or sunlight, as an extension) available to the microalgae. They compare growth in aerated vs. non-aerated conditions. They measure growth by comparing the color of their algae cultures in the bottles to a color indicator scale. Then they graph and analyze the collected data to see which had the fastest growth. Students learn how plants biorecycle carbon dioxide into organic carbon (part of the carbon cycle) and how engineers apply their understanding of this process to maximize biofuel production.

Subject:
Engineering
Environmental Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Caryssa Joustra
Daniel Yeh
Emanuel Burch
George Dick
Herby Jean
Ivy Drexler
Jorge Calabria
Lyudmila Haralampieva
Matthew Woodham
Onur Ozcan
Robert Bair
Stephanie Quintero
Date Added:
09/18/2014
Mapping Mangroves
Only Sharing Permitted
CC BY-NC-ND
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Mapping mangroves is a project dedicated to preservation and understanding of the world's mangrove forests. Through the use of Ushahidi, an open source project that allows for users to crowdsource data, participants will report their findings.

Material Type:
Unit of Study
Author:
Chris Dubia
Joel Long
Daniel Baldwin
Date Added:
01/28/2016