These days have equal hours of daylight and darkness.
What are Spring and Fall equinox (March 21 and Sept 21)
100
The phase of the moon when we cannot see the moon.
What is new moon?
100
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
100
What is the length of time it takes the Earth to revolve around the sun?
365 days or one year
100
The motion the Earth does on its axis?
What is rotate?
200
If the Earth had no tilt, this would be the year-round season in Minnesota.
What is spring or fall?
200
The phase of the moon that is completely illuminated by the sun?
What is a full moon?
200
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
200
What is the length of time it takes the Earth to rotate one time on its axis?
about 24 hours
200
The length of a lunar cycle.
What is 29 days?
300
In the Northern Hemisphere, this is the name of the shortest day of the year and the first day of winter.
What is the winter solstice?
300
This is the source of the moon's light.
What is the sun?
300
This is the moon phase that a solar eclipse occurs during.
What is the new moon phase?
300
What is the length of time it takes the moon to orbit the Earth?
one month (29.5 days)
300
Daily Double.
(Make a wager)
The reason the sun appears to move across the sky.
400
On June 21st (summer solstice), the most direct rays from the sun are concentrated at this "tropical" latitude.
What is the tropic of cancer?
400
Name this moon phase.
What is waxing crescent?
400
This is the moon phase that a lunar eclipse occurs.
What is a full moon phase?
400
Daily Double
(Make a wager)
The number of times you have traveled around the sun if you are 10 years old.
400
The motion the moon does around the Earth and the Earth does around the sun.
What is revolve?
500
Earth's temperatures and hours of daylight stay the most constant at this latitude.
What is the equator?
500
This is the reason for the different shapes of the moon.
What is only part of the moon gives off light reflected from the sun at different times of the month because of the angle of sunlight hitting it as it orbits the Earth
500
The reason we don't have an eclipse during every new moon or full moon.
What is the moon's orbit is on a tilt so the sun, moon, and Earth only line up twice a year for an eclipse?
500
What is the number of natural satellites the planet Earth has?
one (our moon)
500
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, the apparent height of the sun would do this.