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Location and Direction

Explores different ways of expressing location and direction on Earth and how GPS and compasses work.

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Location and Direction
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Vocabulary

compass

compass

Hand-held device with a magnetic needle used to find magnetic north.
direction

direction

The location of something relative to something else.
elevation

elevation

Height of a feature measured relative to sea level.
equator

equator

A line connecting all the points equal distance between the North and South Poles. The zero degree line.
global positioning system (GPS)

global positioning system (GPS)

A system of satellites designed to give location information that can be picked up by special devices that use triangulation.
latitude

latitude

A geographic coordinate that specifies the north-south position of a point on the Earth's surface relative to the equator.
location

location

Where an object is on Earth, best described in three dimensions.
longitude

longitude

The location of a place relative to the Prime Meridian, which runs north-south through Greenwich, England.
sea level

sea level

The average height of the ocean; the midpoint between high and low tide.

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