Tag Archives: haiku

How much of the Earth is covered by oceans?

Seventy percent
of Earth’s surface area
is ocean water.

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Sixth U.S. President

John Quincy Adams
was the sixth President of
the United States.

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Area of a square

The area of
a square equals the square of
the length of one side.

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Land below sea level

Thirty-three countries
on Earth have some land that is
below sea level.

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Astronomical unit

Astronomical
unit:  mean distance between
the Earth and the Sun.

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Catenary

Supported at each
end, a hanging cable forms
a catenary.

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Tallest mountain on Earth (base to summit)

Mauna Kea is
Earth’s tallest mountain, measured
from base to summit.

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