Temperature and Turbidity
What tool do we use to measure temperature AND what unit do we use to record it?
thermometer AND degrees Celsius
What value is neutral on the pH scale?
7
The salinity of the Middle River is typically _________ than the ocean.
higher
lower
equal to
lower
Both Nitrate and Phosphate are essential for ________ ________
plant growth
A scuba diver wants _____ turbidity
low OR high
low
What is the ideal temperature range for the North fork of the Middle River where Saint Marks is?
degrees Celsius
We found that the Middle River had a pH ranging from 7.6-8.4.
Is this very acidic
slightly acidic
Neutral
slightly basic
or very basic?
slightly basic
What tool do we use to measure salinity? AND what unit do we use? (write unit in full and the abbreviation for full points)
Refractometer AND parts per thousand (ppt)
Fertilzer and Sewage
Why is it important that soaps are not acidic?
so they don't eat your metal dishware
Why are high temperatures dangerous to marine life?
Low dissolved oxygen
What do acidic liquids corrode or "eat away"?
metal
Our results showed the salinity in the Middle River to be 15-19 depending on the class. Is this healthy for a brackish waterway?
YES or NO
yes
True or False: Nitrogen and Phosphate occur naturally and are healthy in small amounts
True
What continent is Noodle from?
Africa
Why is plant life threatened by high turbidity?
high turbidity blocks sunlight
[WILDCARD] What was our only test result that showed an unhealthy value?
temperature
_______ can lower salinity
Rainfall
What can excess nitrogen or phosphate levels causee?
Eutrophication
what is another word for base or basic?
alkaline
Why might fish struggle in high turbidity? (2 possible answers)
They can't see their food.
They might have trouble breathing.
What can lower pH over time?
Carbon Dioxide in the water
___________ and ___________ can increase salinity
drought and evaporation
What happens during Eutrophication
Algae grows rapidly - takes away oxygen from the water
What liquid has zero salinity?
distilled water