The action or process of spinning on or as if on an axis or center
What is rotation?
When the Sun is blocked by the moon from Earth
Solar Eclipse
How often do high tides occur?
Twice a day
When the moon is just starting its cycle
What is a new moon?
Autumn, Spring, Summer, and Winter are all what
What are the seasons?
The action by a celestial body of going round in an orbit or elliptical course.
What is revolution?
When the Earth is blocking the sun from the moon
Lunar Eclipse
How often do low tides occur?
Twice a day
When its an eighth of the way through
Waxing crescent
When there is the least amount of daylight or the most
What is a solstice
23 hours, 56 minutes and 4.09053 seconds
What is the amount of time Earth takes to rotate?
The dark central shadow that the moon is in under of total lunar eclipse
What is the penumbral region
How often to neap tides occur? Spring tides?
Twice for both every month
What is it called when it's almost a full moon?
A waxing gibbous
December 21st and June 21st mark what dates?
The dates of the Winter and Summer solstices
365 and a 1/4 days
What is the amount of time Earth takes to revolve around the sun?
The shadow the moon is under during a partial lunar eclipse
What is the umbra?
The moon's gravitational pull on Earth, along with the Sun's.
What is the cause of tides?
The moon when its passed three quarters of the way there.
A waning crescent
The two days where the amount of daylight is equal to the amount of darkness
What are the equinoxes?
It takes this to revolve 27.3 days
What is the difference between a solar eclipse and a lunar one?
Difference between spring and neap tides
Spring tides are when the water level is the highest, neap tides are when they are the lowest
A full moon the second time it occurs that month
What is a blue moon?
When does the autumnal equinox occur? The vernal equinox?
September 22nd and March 21st