Characteristics of Ocean Water ppt Tag Along
Eighth Grade Science
Team 5 Mountaineers
Slide 1
List in order from greatest to least the main elements found dissolved in ocean water.
Ocean water consists of ______ % of pure water and 3.5% dissolved salts.
If you had 1000 grams of ocean water, how many grams would consist of dissolved
salts?
Slide 2
Identify the 3 main gases that are dissolved in ocean water.
The chemical symbol for oxygen is ________, Nitrogen is ________ and Carbon Dioxide
is __________.
The higher the temperature the ______________ gas molecules dissolved in ocean water
and the lower the temperature the ____________ gas molecules dissolved in ocean water
Slide 3
Define salinity-
What is the main dissolved solid found in ocean water and what is its chemical symbol?
If you measured 2000 grams of ocean water, calculate the mass in grams that would be
dissolved solids.
Slide 4
___________ can have a significant effect on ocean salinity.
Areas with higher temperatures and a drier climate have _____________ salinity due to
what factor?
Areas with lower temperatures and a greater humidity have ___________ salinity due to
what factor?
How does the current of an ocean or sea affect the salinity?
Slide 5
Draw and label the temperature zones in the ocean
Describe the 3 zones of the ocean.
Surface Zone-
Thermocline-
Deep Zone-
Slide 6
What happens to surface water temperatures as you move from the equator towards the
poles?
Slide 7
The less direct the sun’s rays are the ____________ the temperature of the water.
What two conditions affect how direct the sun’s rays are to a particular area?
Slide 8
Compare the differences in how water and dry land absorb and maintain heat energy from
the sun.
What causes the water of the British Isles to be warmer than other locations at the same
latitude?