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Ch. 12 Space vocab.

Mr. Stickler's Ch. 12 Outer Space science vocab. stack #1

TermDefinition
Law of Universal Gravitation Every object in the universe attracts every other object, depending on mass and distance.
Solstice The two (2) days of the year in which the sun's most direct rays reach farthest north or farthest south.
Equinox The two (2) day of the year when day and night are almost the same length everywhere on Earth.
Crescent Moon The phase in which we see LESS than half of the moon's sunlit side.
Gibbous Moon The phase in which we see MORE than half but NOT ALL of the moon's sunlit side.
Wax To grow
Wane To shrink
Lunar Eclipse An event that occurs when Earth passes directly between the sun and the moon, causing Earth's shadow to block the sun's light from the moon.
Solar Eclipse An event that occurs when the moon passes directly between the sun and the Earth, causing the moon's shadow to block the sun's light from the Earth.
Tide The periodic rising and falling of the surface level of ocean water.
Spring Tide A condition of the greatest range between low & high tides.
Neap Tide A condition of the lowest range between low & high tides.
Mare A dark flat area on the moon's surface, filled with hardened lava.
Created by: sticklerpjpII
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