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Related Flashcards
Related Topics
Cards In This Set
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Objects's movement around its own axis
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Rotation
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Movement of an object around another object
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Revolution
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Winter and Summer solstices
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The 2 days of the year on whichthe sun reaches its greatest distance north or south of the equator
(longest and shortest days of the year)
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Spring and Fall equinoxes
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2 days of the year on which neither hemisphere is tilted away from or toward the sun (2 days that have equal length day and night)
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The attractive force between 2 objects (determined by mass and distance of objects)
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Gravity
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What is Newton's 1st Law? (2 parts)
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- objects at rest tend to stay at rest
- objects in motion tend to continue in that direction
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What is the Universal Law of Gravitation?
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Scientific law that every object in space attracts every other object in space
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What do you call tides with the least difference between high and low tide?
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Neap tides
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What do you call tides with the greatest difference between high and low tide?
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Spring tides
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When do neap tides happen?
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The 2 times in a month when the Moon and Sun are at right angles to the Earth
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When do spring tides happen?
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When the Moon, Earth and Sun are aligned in a straight line
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The dark, flat areas on the Moon's surface
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Maria (one is a mare)
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Mountains on the Moon's surface (they look lighter)
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Highlands
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How long does it t take the Moon to go through all its phases?
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29 1/2 days
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Name the 8 phases of the Moon
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