Podcast
Questions and Answers
Sea water contains ____ of natural occurring elements on earth.
Sea water contains ____ of natural occurring elements on earth.
- A few
- A half
- All (correct)
- most
The pycnocline is a rapid change in ___ with depth in ocean.
The pycnocline is a rapid change in ___ with depth in ocean.
- Density (correct)
- Temperature
- Salinity
- Biomass
What happens when fresh water flows into sea water?
What happens when fresh water flows into sea water?
- Sea water covers the fresh water
- Fresh water covers the sea water (correct)
- Both waters mix fine
- They seperate
____ refers to mass of all living organisms on earth.
____ refers to mass of all living organisms on earth.
Feeding stages in the food chain are known as ___ levels.
Feeding stages in the food chain are known as ___ levels.
A Poleward- moving ocean current is___.
A Poleward- moving ocean current is___.
Right angled tide moving slanted is called ___,
Right angled tide moving slanted is called ___,
When caves on the opposite sides of a Headland unite, a(n) ____ result.
When caves on the opposite sides of a Headland unite, a(n) ____ result.
As a fluid (air or water) moves towards an area of lower pressure in the northern hemisphere the Coriolis effect results in ____ circulation.
As a fluid (air or water) moves towards an area of lower pressure in the northern hemisphere the Coriolis effect results in ____ circulation.
Neap tide occur about the time of ___ phase of the moon.
Neap tide occur about the time of ___ phase of the moon.
Study Notes
Ocean Composition
- Sea water contains most of the natural occurring elements on earth.
Ocean Layers
- The pycnocline is a rapid change in density with depth in the ocean.
Salinity
- When fresh water flows into seawater, salinity decreases.
Biosphere
- Biosphere refers to the mass of all living organisms on earth.
Food Chain
- Feeding stages in the food chain are known as trophic levels
Ocean Currents
- A poleward-moving ocean current is cold.
Tides
- A right-angled tide moving slanted is called a spring tide.
- Neap tides occur about the time of the quarter phase of the moon.
Coastal Features
- When caves on the opposite sides of a headland unite, an arch results.
Coriolis Effect
- As a fluid (air or water) moves towards an area of lower pressure in the northern hemisphere, the Coriolis effect results in clockwise circulation.
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Description
This quiz explores the various natural elements found in sea water. Understand how these elements play a vital role in marine ecosystems and their significance in the Earth's overall composition. Test your knowledge on the topic and discover fascinating facts about ocean chemistry.
