Show:
Water Molecule
Density
Salinity
Heat Capacity
pH
100
Water is made of one atom of oxygen and 2 atoms of _____.
What is hydrogen.
100
The density of pure water at 4 degrees Celsius.
What is 1.00 g/ml
100
Unit of salinity
What is parts per thousand
100
A common unit of heat energy
What is a calorie
100
Has a pH of 7.
What is neutral.
200
This is a molecule that has charged ends due to unequal sharing of electrons.
What is a polar covalent molecule.
200
The temperature of freshwater water when it is least dense.
What is 0 degrees C.
200
Has a salinity of 35 ppt.
What is seawater.
200
This substance has a higher heat capacity than water.
What is ammonia.
200
Has a pH of more than 7.
What is a base.
300
This is why insects can walk on water
What is the hydrogen bonds between water molecules that creates surface tension
300
Which physical property of matter describes the relationship between mass and volume?
What is a density.
300
Has a salinity between 1 and 35 ppt.
What is brackish water.
300
This Massachusetts city is generally warmer that Cape Cod in the summer and colder than Cape Cod in the winter.
What is Worcester.
300
Has a pH of less thsn 7.
What is an acid.
400
The bond formed between two water molecules.
What is a hydrogen bond.
400
Mass divided by volume.
What is density
400
Temperature at which seawater freezes
What is -1.9 degrees c.
400
What is the reason cities tend to be hotter than the surrounding rural areas?
What is the heat island effect.
400
How much more acidic is a solution at pH 6 than a solution at pH 7?
What is 10X
500
The bond between the oxygen and the hydrogen in a water molecule.
What is a covalent bond.
500
A cork is able to float on water because it is ?.
What is a less dense
500
A mark on a ship's hull that shows proper loading of the ship in freshwater.
What is a Plimsoll mark
500
The measurement of the movement of molecules.
What is temperature.
500
What is the average pH of the ocean?
What is 8