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7 terms

6th grade science- Lesson 2 Earth in Space

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axis
The imaginary line that passes through Earth's center and the North and South poles.
rotation
The spinning of Earth on its axis.
revolution
The movement of one object around another.
orbit
Earth's path that is a slightly elongated circle (ellipse).
calendar
A system of organizing time that defines the beginning, length, and divisions of a year.
solstice
The days when the sun appears farthest north of the equator once a year and farthest south once a year.
equinox
Means "equal night". During this time day and night are each about 12 hours long everywhere.

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