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Chapter 20

The Sun-Earth-Moon System

QuestionAnswer
The path an object follows as it moves around another object Orbit
The motion of one object around another object Revolution
A spinning motion Rotation
The line on which an object rotates Rotation Axis
A day when Earth's rotation Solstice
A day when Earth's rotation axis is leaning along Earth's orbit, Neither toward nor away from the Sun Equinox
The large, dark flat areas on the Moon Maria
The portion of the Moon of a planet reflecting light as seen from Earth Phase
During the __________, more of the Moon's near side is lit each night Waxing Phases
During the __________, less of the Moon's near side is lit each night Waning Phases
The central, darker part of a shadow where light where light is totally blocked Umbra
The lighter part of a shadow where light is partially blocked Penumbra
When the Moon's shadow appears on Earth's surface, a __________ is occurring Solar Eclipse
When the Moon moves into Earth's shadow Lunar Eclipse
The daily rise and fall of sea levels Tide
Created by: Laila Monroe
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