What is the imaginary line that runs from the North Pole, through the center of the Earth, to the South Pole.
Earth's axis
100
What kind of moon is it when the whole moon is visible from Earth?
Full moon
100
What kind of moon is it when the moon is not visible at all?
New moon
100
What kind of moon happens on Day 1 and Day 28 of the lunar cycle?
New moon
200
How much is Earth tilted on it's axis?
23.5 degrees
200
What is the path a planet or moon follows as it moves around the sun?
Orbit
200
What day in the moon cycles does a full moon happen?
Day 14
200
What kind of moon is it when half of the moon is visible from Earth?
Quarter moon
200
Describe the sun's position in the morning.
Low, on the eastern horizon
300
How long does it take for Earth to make one revolution
1 year
300
During the winter, the northern hemisphere is tilted ______ the sun. During the summer, the northern hemisphere is tilted ______ the sun. (Towards/Away from)
Away from,
Towards
300
What kind of moon is it when only a sliver of moonlight is visible from Earth?
Crescent moon
300
What kind of moon is it when the moon is more than half lit, but less than full?
Gibbous moon
300
Describe the sun's position at noon.
High, directly overhead
400
How long does it take Earth to make one rotation?
24 hours, 1 day
400
What does rotation create?
Day and night
400
What is it called when the light form the moon appears to be shrinking as it moves from a full moon to a new moon?
Waning
400
What is it called when the light from the moon appears to be growing from a new moon to a full moon?
Waxing
400
Describe the sun's position in the evening.
Low, on the western horizon
500
What is the difference between rotation and revolution?
Rotation is Earth spinning on its axis and revolution is Earth's movement around the sun.
500
What does revolution create?
The seasons
500
What does the moon look like on Day 7 of the lunar cycle?
Half full (first quarter moon)
500
What does the moon look like on Day 21 of the lunar cycle?
Half full (third/last quarter moon)
500
What is the exact time it takes for Earth to make one full revolution?