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Seasons

Why we have seasons

TermDefinition
Rotation The spin of an object around its axis
Orbit The line on which an object rotates
Revolution The path an object follows as it moves around another object
Solstice When earths rotation axis is tilted directly toward or away from the sun
equinox When earths rotation axis is tilted neither toward nor or away from the sun
Phase The lit part of the moon or a planet that can be seen from earth
Waxing phase Phases of the moon during which more of the moons near side is lit each night
Waning phase Phases of the moon during which less of the moons near side is lit each night
Umbra The central, darker part of a shadow where light is totally blocked
Penumbra The lighter part of the shadow where light is partially blocked
Solar eclipse An occurrence during which the moons shadow appears on earths surface
Created by: user-1870955
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