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Average ocean depth
1. Average ocean depth
A model is a simplified representation of something (e.g., a reality).
Models can be deceptive. Take, for example, the depth of the ocean.
2. Average ocean depth
The average ocean depth is over
2 miles deep (
12,200 feet).
On a model globe, the oceans (and highest mountains) would be about the thickness of a piece of paper.
3. On the earth
To see this, consider the following calculations. On the earth:
12,000 feet ocean depth
--------------------------------- = 0.000284 (depth/diameter)
(5,280 feet/mile) * (8,000 miles)
4. On a globe
On a 12-inch globe, this thickness would be as follows.
0.000284 * 12 = 0.0034 inches
5. Ream of paper
Now consider a ream of paper and the thickness of 500 sheets of paper.
(1.5 inches/ream)
----------------- = 0.003 inches/sheet
(500 sheets/ream)
So on a model globe, the oceans (and highest mountains) would be about the thickness of a piece of paper.