When the visible moon is fully lit.
Full Moon
What moon phase is #1?
New Moon
When does the Spring Equinox begin?
March 20th or 21st
How long is the moon's revolution around the Earth?
27.3 days
What is the longest day of the year?
Summer Solstice - June 20th-21st
When less than 1/2 of the moon is lit up
Crescent
What moon phase is #3?
1st Qtr.
When does the Autumn equinox
September 22nd or 23rd
What is the rotation of the moon?
27.3 days
Who first hypothesized that the moon was a sphere?
Sailors
The spinning of earth on it's axis
Rotation
What moon phase is #8
Waning Gibbous
When is the Winter solstice?
How long is one complete rotation of earth?
24 hours
What is the shortest day of the year?
Imaginary line from the North Pole to South Pole
Solstice
What moon phase is #6
When is the Summer Solstice
How long does it take for Earth to make a revolution?
365 days
What season is it in the northern hemisphere if it is tilted towards the sun?
Summer
When more than 1/2 of the visible moon is lit up
Gibbous
What moon phase is #2
Waxing Crescent
What is Earth's revolution?
How many times a year will the moon go through all its phases?
12 times
What season is it when the northern hemisphere is facing away from the sun?
Winter