Questions and CORRECT Answers
What charge is hydrogen? - CORRECT ANSWER - Positive
What charge is oxygen? - CORRECT ANSWER - Negative
When is the summer solstice? - CORRECT ANSWER - June
What is heat capacity? - CORRECT ANSWER - amount of heat required to raise
temperature of 1 gram of a subtance by 1 degree celcius
Thermal Inertia of water - CORRECT ANSWER - water does not really want to change
When temperature decreases... - CORRECT ANSWER - density increases
When salinity increase... - CORRECT ANSWER - density increases
What is the density of water? - CORRECT ANSWER - 1 g/cm
Cold, salty water is very____ so it ____ - CORRECT ANSWER - dense, sinks
What is the maximum density of water? - CORRECT ANSWER - 4 degree celius, then
decrease in density with freezing, so ice floats
Why is ice less dense? - CORRECT ANSWER - Molecules further apart
What is the average salinity of sea water? - CORRECT ANSWER - 35%%
, What are the most abundant ions in order? - CORRECT ANSWER - Chloride, sodium,
sulphate, magnesium, calcium, potassium
At evaporation latitudes, salinity is... - CORRECT ANSWER - higher
At precipation latitude, salinity is... - CORRECT ANSWER - lower
Where are the highest salinities found? - CORRECT ANSWER - Around latitudes of 30
degrees
What is a halocline? - CORRECT ANSWER - Rapid salinity change with depth
Why is water the universal solvent? - CORRECT ANSWER - Polarity
Hydrogen bonds = cohesion, and cohesion causes... - CORRECT ANSWER - surface
tension
What is the sound transmission in water and is it efficient? - CORRECT ANSWER - 1500
m/per second, very efficient, faster than air
Why is the solar radiation strongest around equatorial regions? - CORRECT ANSWER -
the earth's surface faces the incoming radiation at a right angle, so a lot of energy is absorbed
Why don't equatorial oceans boil and polar oceans freeze? - CORRECT ANSWER - ocean
currents and atmospheric circulation distribute heat on earth
Composition of atmosphere - CORRECT ANSWER - no