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Why is the health of the ocean important to humans?
provides minerals, energy and food
Do currents affect the climate of coastal areas?
yes
What causes tides?
gravitational pull moon
What causes surface currents?
wind
The salinity of ocean water is about 35 g per 1 kg of this.
dissolved salts
What forms when the top of the wave moves faster than the bottom and the wave collapses?
breaker
Does warm water or cold water evaporate faster leaving salt behind?
warm
When gases get mixed at the surface, how do they get mixed to deeper levels?
waves mix them in
How much of the Earth's surface is covered with ocean?
25%
50%
75%
85%
What causes a harmful algal bloom?
excess nutrients
What part of the seafloor is the shallow part near the shore?
drop off
ridge
faultline
continental shelf
Where is the deepest place on Earth? The M______- Trench
Mariana Trench
In what direction does the Coriolis Effect cause cyclones to turn in Australia? Clockwise or anticlockwise?
anticlockwise
Why is it so hard to study the deep sea?
high pressure
Which ocean is the shallowest?
Pacific
Indian
Arctic
Atlantic
What causes a decrease in ocean salinity?
glaciers melting
