These are caused by the tilt of the Earth on its axis
Seasons
The movement of one object around another.
Revolution/Orbit
The phase where the moon is not visible
New Moon
When Earth's axis is tilted toward the sun in the Northern Hemisphere, the season is what?
Summer
The shape of a Earth's orbit around the Sun.
Elliptical
How much of the moon is always sunlit?
1/2
the tilt angle of the earth.
23.5 Degrees
Occurs when the moon and sun are at a right angle from one another
The spinning of a celestial body on its axis.
Rotation
What is the name of the shape of the moon that is nearly full and getting fuller?
Waxing Gibbous
The shortest day of the year, occurs around December 22nd.
The winter solstice.
Spring tides occur during which two phases of the moon?
New and Full Moon
When there are equal daylight and nighttime hours. Occurs twice throughout the year, once in Spring and again in Autumn.
Equinox