When the Moon is directly in between Earth and the Sun
100
About 28 days, or one "Moon-th"
How long does it take for the Moon to orbit the Earth?
100
3474 km, or 3500.
What is the diameter of the Moon?
100
The ratio of the model size to the actual size
What is Scaling Factor?
200
large, dark-gray or black areas that are fairly smooth, and look like oceans on the Moon
What is Maria?
200
Full Moon
When the Moon is opposite the side of the Earth, and fully illuminated
200
About 384,000 km
What is the distance from Earth to Moon?
200
The dark part we see covering the Moon
What is Earth's shadow?
200
Who was the first person to land on the Moon?
Who was Neil Armstrong
300
round structures of various sizes with various details
What craters?
300
Waning Gibbous
When the Moon is getting smaller, between Full and third quarter
300
counterclockwise
Which direction does the Moon travel around the Earth?
300
diameter
What is the measurement of a circle, from one end to another.
300
light reflected from the sun
What is how the Moon gets it's light?
400
light colored areas with lots of rough mountains and craters
What are highlands?
400
Waxing Crescent
When the Moon is getting bigger, between New and First quarter
400
Rises in the east and sets in the West
What is Moon/Sunrise and Moon/Sunset?
400
About 1/4 the size of Earth
What is the Moon's size relative to Earth
400
Rotation of Earth
What causes the apparent rising motion of the Sun and Moon across the sky?
500
the white lines that extend in all directions from some craters
What are rays?
500
anything smaller than a quarter, and anything larger than a quarter
What is the difference between crescent and gibbous Moon
500
Approximately 51 minutes earlier than the pervious day
What is the Moons rising time each day
500
30 Earth's away from the Earth
What is the distance of the Moon from Earth in Earth diameters?
500
Because of the Moon's orbit being tipped, when the Moon lines up so that the Earth's and Moon's shadows fall on each other, in full Moon position, it can create this effect.