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WorksheetsOcean Currents and the Global Conveyor Belt Review
Total questions: 14
Worksheet time: 14mins
What drives deep underwater currents in the ocean?
Wind patterns
Thermohaline circulation
Ocean tides
The word "thermohaline" combines which two factors?
Thermo=Temperature and haline=depth
Thermo=Tide and haline=heat
Thermo=Temperature and haline=salt
Which of these statements about water density is TRUE?
Warm water is more dense than cold water
Cold water sinks while warm water rises
Surface water is always more dense than deep water
Where does the Global Conveyor Belt journey begin?
Pacific Ocean
Indian Ocean
Northern Atlantic near Greenland
How long does it take for one complete cycle of the Global Conveyor Belt?
100 years
500 years
1000 years
What happens to ocean water as it approaches the equator?
It becomes colder
It becomes denser
It becomes warmer and less dense
What is a major threat to the Global Conveyor Belt?
Ocean warming due to climate change
Underwater volcanoes
Fishing activities
Which ocean current type is powered by Earth's wind patterns?
Deep currents
Surface currents
Vertical currents
What does the Global Conveyor Belt transport around the planet?
Only warm water
Heat and nutrients
Just cold water
Near Antarctica, what happens to the ocean water in the Global Conveyor Belt?
It evaporates completely
It splits into two sections
It stays in one stream
What is the primary purpose of the Global Conveyor Belt?
To create waves
To regulate Earth's climate
To make ocean storms
What happens to water when its density increases?
It evaporates
It sinks
It stays still
How does the conveyor belt affect marine life?
It has no effect
It only affects surface creatures
It distributes nutrients and affects food chains
Which ocean is NOT part of the Global Conveyor Belt system?
Arctic Ocean
Pacific Ocean
Indian Ocean
Atlantic Ocean
