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The Good, the Bad, and the Ugly Algae Copepod Amoeba E. coli
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Microbes, Microbes, Everywhere The Good, the Bad, and the
Ugly
Algae Copepod Amoeba E. coli Not all Microbes are Bad
Yogurt lactobacilli Bread Yeast Human gut But what if the wrong
microbes end up in our water? Ways to clean water Your mission:
Find a low cost, effective way to clean drinking water Lets Try
SODIS: Solar Disinfection Sun Power Ultraviolet - UV Infrared - IR
What could be in dirty water? What could be in dirty water?
Algae Copepod Amoeba E. coli Removing some of the Ugly:
Sari filtration Toys: Algae (green), amoeba (blue), copepod
(orange) akvopedia.org What about E. coli? SODIS Supplies Water
from Stephens Creek
Glass bottles, plastic baggies SODIS table Aluminum foil Fabric for
sari filtration Black tarp Box Tape/markers SODIS Variables Glass
bottles vs. baggies
Reflective surface vs. black/white surface Placement of the
bottles/baggies (standingup or laying flat) Sari filtered vs.
non-filtered water ? Experiment Write your teams question Write
your hypothesis
(ex. Does aluminum foil work better than the SODIS table?) Write
your hypothesis Set up your three containers One control bottle or
baggie (to be put in the controlbox (no sun) Two containers for
your variables LABEL each container with your name and the variable
you are testing