Properties of Water / Ocean Facts
Salinity
Ocean Currents
Waves
Tides
100
the reason why the ocean is not the warmest for swimming until the end of the summer
What is the specific heat capacity? (high)
100
True/False - high evaporation rates increase the salinity levels in the ocean
What is True?
100
a phenomenon where waters off the western coast of South America become warmer than usual
What is El Nino?
100
see diagram (red)
What is the crest?
100
high tides occur approximately this many times daily
What is 2?
200
why water striders can walk on water
What is surface tension? (cohesive property of water - strong bonds with itself)
200
a common method of desalinating water
What is reverse osmosis?
200
large circular current loops driven by surface winds and deflected by continents
What are gyres?
200
see diagram (yellow)
What is the trough?
200
the main reason we have tides
What is the gravitational pull of the moon?
300
the liquid that dissolves most substances
What is water?
300
a place where salt comes from
What is weathering of rocks on land, volcanic gases?
300
Surface currents or Thermohaline Currents? Which one moves more water?
What are Thermohaline currents?
300
diagram (half of the wave height)
What is the amplitude?
300
tides that have a large tidal range
What are spring tides? (at full and new moons)
400
why we use salt on roads during the winter time
What is it lowers the freezing point of water?
400
water that is saltier than freshwater but less salty than seawater
What is brackish water?
400
another name for the Thermohaline currents
What is the ocean's conveyor belt?
400
a cause of large waves
What is high wind speed, one direction winds, large fetch?
400
tides that have a small tidal range
What are neap tides?
500
true or false - over half of the world's oxygen supply is made in the ocean
What is True?
500
True/False - Freezing of water increases the salinity of the remaining water
What is True?
500
the coriolis effect causes currents in the northern hemisphere to be deflected this way
What is to the right? (creates clockwise motion)
500
this type of breaking wave surfers enjoy
What are plunging waves?
500
the time of the month when the moon is closest to the Earth
What is Perigee?
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