Transcript Water Quality lab notes

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