Chemistry of Water
General Properties of Water
Density
Salinity/Turbidity
Science Skills
100
The chemical formula of a water molecule
What is H2O?
100
The freezing point of pure water?
What is 0°C or 32° Fahrenheit?
100
Densest:
cold water or warm water
What is cold water?
100
Salinity
What is salt level?
100
Lab equipment to measure liquid volume
What is graduated cylinder?
200
The bond that holds a water molecule together
What is covalent bond?
200
The freezing point of salt water
What is -1.8°C?
200
Densest:
pure water or salt water
What is salt water?
200
________ ppt
What is 17.5 ppt?
200
Melting
What is A to B or melting?
300
The bond that holds two or more water molecules together
What are hydrogen bonds?
300
Adhesion
What is water sticking to other surfaces?
300
Densest layer of the ocean that is at a constant temperature of 2°C
What is the cold layer?
300
Measures salinity levels
What is a refractometer?
300
In Fahrenheit, saltwater's freezing point (approximately)
What is 28-29° Fahrenheit?
400
A
What is a covalent bond?
400
Water molecules stick together and form a "skin" layer that allow small bugs to walk on the surface of water.
What is surface tension?
400
Rapid temperature decrease where heat energy is quickly lost
What is thermocline?
400
Clear water
What is low turbidity?
400
X-axis
What is latitude?
500
B
What is a hydrogen bond?
500
A
What is a solid?
500
Densest layer
What is honey?
500
Highest nutrient level
What is A?
500
Location higher salinity (°S)
What is 20°S or 20°N?