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science lesson 1
earth in space
Question | Answer |
---|---|
rotation | the spin of an object around its axis |
revolution | the orbit of oe object around another object |
equinox | when the earths rotation axis is tilted neither toward or away from the sun |
solstice | when earths rotation axis is directly tilted toward or away from the sun |
waxing | a phase of the moon during which more of the lit part of the moon is visible each night |
waning | a phase of the moon during which less of the lit part is visible each night |
tide | the periodic rise and fall of oceans surface caused by the gravitational force between earth and the moon and earth and the sun |
eclipse | the movement of one solar system object into the shadow of another object |
lava | magma that erupts onto earths surface |