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Unit 4 Lesson 1

Vocab

WordDefinition
Rotation The action of rotating around an axis or center
Day A period of twenty-four hours as a unit of time, reckoned from one midnight to the next, corresponding to a rotation of the earth on its axis
Revolution A forcible overthrow of a government or social order in favor of a new system
Year The time taken by a planet to make one revolution around the sun
Season Each of the four divisions of the year (spring, summer, autumn, and winter) marked by particular weather patterns and daylight hours, resulting from the earth's changing position with regard to the sun
Equinox The time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about September 22 and March 20)
Solstice The point at which the sun is as far north or as far south of the equator as possible
Created by: 4801819257
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