Water Tests
The measure of the cloudiness of water / suspended particles in the water
What is TURBIDITY.
What is ACIDIC.
The range for pH is 0-14. Neutral is_____.
What is 7.
When there are a lot of different organisms in an ecosystem, indicating health
biodiversity
What is the MAIN risk for fish due to low DO levels?
What is death.
This water quality test indicates BETTER water quality when it is HIGHER.
What is Dissolved Oxygen
The pH range needed for most aquatic life to thrive is _____.
What is 6.5-8.5.
What would a high Chl indicate on our probe?
high presence of algae
On our probes, Chl stands for
Chlorophyll
Colder water can hold _________ dissolved oxygen than warm water.
What is MORE
This test is a measure of the acidity of a substance.
What is pH.
The pH of ocean water is considered slightly ____
Basic (approx. 8.1)
What is TOXIC CHEMICALS FROM MINING, AGRICULTURE or INDUSTRIAL WASTE.
Pollutants that cause algae blooms in water.
What is NITROGEN or PHOSPHOROUS
Describe a pH measurement that indicates a substance is BASIC.
What is 7.1-14
What is the name of our probe?
YSI ProDSS
Name 2 ways we can measure pH
pH test strips or pH probe
What source of pollution, BESIDES HEAT, can decrease dissolved oxygen levels?
What is SEWAGE
TURBIDITY
LOW WATER LEVELS
EUTROPHICATION (algae)
What does SPC stand for?
specific conductivity
The main human health risk due to high PC values?
Phycocyanin indicates cyanobacteria, which is toxic
What can the parameters measured by our probe tell us about water quality?
various answers
The standard pH level for drinking water...
What is CLOSE TO NEUTRAL or SLIGHTLY BASIC
What can high SPC value indicate about a water sample?
high concentration of dissolved ions (nitrates, phosphates, salts)
The process of algae blooms breaking down and depleting oxygen.
What is EUTROPHICATION
Most fish populations need DO levels to consistently be _____ or higher.
What is 5 ppm (but salmon need MORE than this)