Seasons
These 2 days have equal hours of daylight and darkness.
What are Spring and Fall equinox (March 21 and Sept 21)
The phase of the moon when we cannot see the moon.
What is new moon?
This eclipse happens when the moon is in the Earth's shadow and the full moon, sun, and Earth are lined up directly.
What is a Lunar eclipse
What is the length of time it takes the Earth to revolve around the sun?
365 days or one year
The motion the Earth does on its axis
What is rotate?
If the Earth had no axial tilt, one of these 2 seasons would be the year-round season in Sammamish
What is spring or fall?
The phase of the moon that is completely illuminated by the sun?
What is a full moon?
This eclipse happens when the sun is blocked by the moon and the new moon, Earth, and sun line up?
What is a Solar eclipse
What is the length of time it takes the Earth to rotate one time on its axis?
about 24 hours
This month has the shortest day of the year in the southern hemisphere
What is June?
With all other factors equal, Earth's temperatures and hours of daylight stay the most constant at this latitude.
What is the equator?
Moon phase that is mostly illuminated
What is gibbous?
This is the moon phase that a solar eclipse occurs during.
What is the new moon phase?
What is the length of time it takes the moon to orbit/revolve around the Earth?
one month (27.3 days)
This is the reason the sun appears to move across the sky.
What is Earths rotation on its axis?
On June 21st (summer solstice), the most direct rays from the sun are concentrated at this "tropical" latitude.
What is the tropic of cancer?
This is the phase of the moon that is only partially illuminated
What is crescent?
This is the moon phase that a lunar eclipse occurs.
What is a full moon phase?
What is the length of time it takes the moon to go through all its phases?
29.5 days
The motion the moon around the Earth and the motion of the Earth around the sun.
What is revolve or revolution?
In the Northern Hemisphere, this is the name of the shortest day of the year and the first day of winter, December 21.
What is the winter solstice?
This is the phase the moon is in when it is mostly lighted on the right side
What is "waxing gibbous"?
The reason we don't have an eclipse during every new moon or full moon.
What is the moon's orbit/revolution at a 5 degree tilt so the sun, moon, and Earth only line up twice a year for an eclipse?
What is the number of natural satellites the planet Earth has?
one (our moon)
If a student observed the position of the sun above a building at noon in January and then compared the sun again at noon in March, this is how the suns appearance would change
What is the sun would appear to move higher in the sky?