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 wwwinnoafricaorg ID: 549502
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Slide1
Microbes, Microbes, EverywhereSlide2
The Good, the Bad, and the Ugly
Algae
CopepodAmoebaE. coliSlide3
Not all Microbes are Bad
Yogurt – lactobacilli
Bread – YeastHuman gutSlide4
But what if the wrong microbes end up in our water?Slide5Slide6
www.innoafrica.orgSlide7Slide8
Ways to clean waterSlide9
Your mission:
Find a low cost,
effective way to clean drinking waterSlide10
Let’s Try SODIS:
So
lar
DisinfectionSlide11Slide12
Sun PowerSlide13
Ultraviolet - UVSlide14
Infrared
- IRSlide15
What could be in dirty water?Slide16
What could be in dirty water?
Algae
CopepodAmoebaE. coliSlide17
a
kvopedia.org
Removing some of the Ugly:
Sari filtrationSlide18
What about E. coli?Slide19
SODIS Supplies
Water from Stephen’s Creek
Glass bottles, plastic baggiesSODIS tableAluminum foilFabric for sari filtrationBlack tarpBoxTape/markersSlide20
SODIS Variables
Glass bottles vs. baggies
Reflective surface vs. black/white surfacePlacement of the bottles/baggies (standing up or laying flat)Sari filtered vs. non-filtered water?Slide21
Experiment
Write your team’s question
(ex. Does aluminum foil work better than the SODIS table?)Write your hypothesis
Set up your three containersOne control bottle or baggie (to be put in the control box (no sun)Two containers for your variables
LABEL each container with your name and the variable you are testingSlide22