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Biorecycling: Using Nature to Make Resources from Waste
Read the Fine Print
Educational Use
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By studying key processes in the carbon cycle, such as photosynthesis, composting and anaerobic digestion, students learn how nature and engineers "biorecycle" carbon. Students are exposed to examples of how microbes play many roles in various systems to recycle organic materials and also learn how the carbon cycle can be used to make or release energy.

Subject:
Applied Science
Atmospheric Science
Engineering
Physical Science
Material Type:
Lesson Plan
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
Composting Competition
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Educational Use
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In a multi-week experiment, students monitor the core temperatures of two compost piles, one control and one tended, to see how air and water affect microbial activity. They daily aerate and wet the "treated" pile and collect 4-6 weeks' worth of daily temperature readings. Once the experiment is concluded, students plot and analyze their data to compare the behavior of the two piles. They find that the treated pile becomes hotter, an indication that more microbes are active and releasing heat. Through this activity, students see that microbes play a role in composting and how composting can be used as a carbon management process.

Subject:
Applied Science
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
Digest Your Food!
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Educational Use
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In a multi-week experiment, student teams gather biogas data from the mini-anaerobic digesters that they build to break down different types of food waste with microbes. Using plastic soda bottles for the mini-anaerobic digesters and gas measurement devices, they compare methane gas production from decomposing hot dogs, diced vs. whole. They monitor and measure the gas production, then graph and analyze the collected data. Students learn how anaerobic digestion can be used to biorecycle waste (food, poop or yard waste) into valuable resources (nutrients, biogas, energy).

Subject:
Applied Science
Biology
Engineering
Life 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
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:
Applied Science
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