Science M Phases/Tides/Eclipses
About this set
Created by:
charlie0198 on October 12, 2010
Subjects:
science, eclipses, moon phases, tides
Description:
Science 7-4 big test review cards
Classes:
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11 terms
Terms | Definitions |
|---|---|
 Phases of the Moon | the eight phases that the moon goes through: New/full Moon, waxing/waning crescent, first/third quarter, waxing/waning gibbous |
| Umbra | the darkest part of a shadow during an eclipse |
| Penumbra | the larger, less dark part of the shadow in an eclipse |
| Neap Tide | a tide with the least difference between high and low tide that occurs when the sun and moon pull at right angles to each other |
| Spring Tide | a tide with the greatest difference between high an low tide that occurs when the sun and the moon are aligned in a line with Earth that can only occur during the new and full moons |
| Time on the Moon | each day on the moon is 29.5 days on earth, and each year is 29.5 days also |
| Tilt of the Earth | The earth is tilted exactly 23.5 degrees on its axis in its orbit around the sun, axis are north and south poles |
| Solar Eclipse | an eclipse occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth during the new moon |
| Lunar Eclipse | an eclipse occurs when Earth's shadow falls on the Moon during the full moon |
| Eclipse | the shadow of either the earth on the moon, or of the moon on the earth |
| total eclipse | an eclipse as seen from the umbra of the eclipsing body of the earth or of the moon. |
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