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Chapter 2 Lesson 1
Vocabulary Terms
Term | Definition |
---|---|
eclipse | Movement of one solar system object into the shadow of another object |
equinox | Beginning of spring and fall; days on which hours of daylight equal the hours of darkness |
lava | Molten volcanic material |
revolution | Orbit of one object around another object |
rotation | Spin of an object around its axis |
solstice | Beginning of summer or winter; days on which the hours of daylight are either shortest or longest |
tide | Daily rising and falling level of the ocean and other large bodies of water |
waning | Visible portion of the Moon becomes smaller |
waxing | Visible portion of the moon becomes larger |