Earth Moves
a day when fall or spring begins
What is an equinox?
the phases when each night a little less of the Moon is revealed and the moon is lighted on the left side
What are the waning phases?
the day when summer or winter begins
What is a solstice?
the phases that reveal a little more of the Moon each night on the right side
What are the waxing phases?
When the moon is more than half lit.
What is the gibbous?
Most locations on Earth have two low tides and two high tides each day due to this.
What is gravity?