FIELD TRIP RECAP! Sam Houston Ship Channel Boat Tour Last Organic Outpost Farm Allen’s Landing.
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Transcript of FIELD TRIP RECAP! Sam Houston Ship Channel Boat Tour Last Organic Outpost Farm Allen’s Landing.
![Page 1: FIELD TRIP RECAP! Sam Houston Ship Channel Boat Tour Last Organic Outpost Farm Allen’s Landing.](https://reader035.fdocuments.in/reader035/viewer/2022070402/56649f265503460f94c3c845/html5/thumbnails/1.jpg)
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FIELD TRIP RECAP!
Sam Houston Ship Channel Boat Tour
Last Organic Outpost Farm
Allen’s Landing
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WATER QUALITY TESTING LAB
Monday sample
Wed’s sample
upstream downstrea
m
Dissolved Oxygen, pH,
nitrates, phosphates
3 trials
Kits and procedures
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WATER QUALITY TESTS
Test Pollutant Source effect
Nitrates/phosphates Fertilizers, sewage Yards, farms, sewage treatment plants
eutrophication/ low oxygen
pH Acids or bases Yards, streets, factories
Organisms can’t survive
Turbidity Extra floating dirt Construction, yards, farms
Plants can’t photosynthesize
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WATER QUALITY TESTS
Dissolved Oxygen – a GOOD THING!!!! More DO = more aquatic life (more cellular
respiration) Minimum amount: 4ppm for fish to live
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TIME TO WRITE THE HYPOTHESIS!
If (independent variable) THEN (dependent variable)
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LAB TESTING GROUPS:
Make sure entire first page is complete – 5 minutes!
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COMPILE CLASS DATA
13 Was your hypothesis supported or refuted?
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PICK UP YOUR INTERACTIVE NOTEBOOK
Complete analysis on your own. Major Grade Complete SentenceS!