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Seasons
Why do we have seasons?
Question | Answer |
---|---|
The spin of an object | Rotation |
The line on which an object rotates | Rotation axis |
The path an object follows as it moves around another object | Revolution |
When earths rotation axis is tilted directly toward or away from the sun | Solstice |
When earths rotation axis is tilted directly toward nor away from the sun | Equinox |
The lit part of the moon or a planet that can be seen from earth | Phase |
Phases of the moon during which more of the moons near side is lit each night | Waxing phase |
Phases of the moon during which less of the moons near side is lit each night | Waning phase |
The central darker part of a shadow where light is totally blocked | Umbra |
The lighter part of a shadow where light is partially blocked | Penumbra |
An occurrence during which the moon’s shadow appears on earth’s surface | Solar eclipse |