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4th-Sun, Earth, Moon
vocabulary
Term | Definition |
---|---|
imaginary line about which an object rotates | axis |
the phases of the moon that occur due to the spinning of the planet or moon on its axis | lunar cycle |
the path that one object in space follows as it revolves around another object in space | orbit |
the spinning of a planet, moon, or other object in space | rotation |
one of the four periods of the year - spring, summer, fall, winter; each has different average temperatures, weather conditions and length of day | seasons |
a dark area or shape produced by an object coming between rays of light and a surface | shadow |
a sloping position | tilt |
getting bigger | waxing |
getting smaller | waning |
looks like it is all lit up | full moon |
looks like it is all dark | new moon |