Exam 1: Introduction to Earth

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If you walked along a parallel, in what direction(s) would you be walking?

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east or west

The fact that at any time during the year, the Earth's axis is parallel to its orientation at all other times is called its parallelism, or ______.

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B

Geography is

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B

________is the deepest spot in the ocean.

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At the time of the aphelion, Earth is________ million kilometers from the Sun.

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"Greenwich Mean Time" is also known as________ .

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When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to

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Any standard time zone extends________ degrees of latitude to the east and west of the central meridian.

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He was first to correctly calculate the circumference of Earth: _________ .

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The basic unit of distance in the Système International (metric system) is the

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Eratosthenes was the first to accurately measure the Earth's________ .

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Earth's radius is CLOSEST to ___________kilometers.

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At the North Pole, one degree of longitude extends __________kilometers on the ground.

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In angular measurement, a minute contains _______seconds.

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Meridians

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Standardization in world time zones, dates from _______.

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The Greenwich Meridian is also known as the________ .

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Before time zones were created in the 1880s, one could encounter__________ time standards on a rail trip across the United States.

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A _________separates Earth into two hemispheres.

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Which of the following is out of order in the ideal application of the scientific method?

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