Solar System.
Other
Reason for the Seasons
Definitions
Moon Phases
100
How many planets are in the solar system?
8
100
What is the name of our galaxy?
The Milky Way
100
Describe why we have day time/ night time.
The Earth rotates, causing us to either face the sun or not.
100
What is the difference between revolution and rotation?
Revolution: go around
Rotation: spin on it's own axis
100
How long does it take the moon to revolve around the Earth?
28 days (about 1 month)
200
What is the closest planet to the sun?
Mercury
200
What does waxing mean? (name both)
Moon is getting bigger, and you can see the right side.
200
What season is it if the Northern hemisphere is tilted towards the sun?
Summer.
200
Emit
To give off light.
200
What is it called when you can see the left side of the moon?
Waning
300
Name the following in order from smallest to biggest:
Universe, Earth, Canada, Solar System, Galaxy
Canada, Earth, Solar System, Galaxy, Solar System, Galaxy
300
What is a lunar eclipse?
The Earth blocks sunlight from reaching the moon, so when it should be a full moon, you actually can't see it.
300
What is a solstice?
The longest or shortest day of the year. (winter = shortest, summer = longest).
300
Constellation
Group of stars that are named
300
What is it called if you can see most of the moon?
Gibbous
400
Why do different planets have different day lengths and year lengths?
Becuase they travel slower or faster around the sun, and rotate slower or faster than Earth?
400
Describe why we have longer days in the summer and shorter days in the winter.
The Northern hemisphere is tilted toward the sun in the summer, causing it to 'see' the sun for longer times. The opposite is true for winter.
400
What is an equinox?
When the days and nights are (mostly) equal.
400
Astronomy
The study of space.
400
Name this moon. 
Waxing crescent.
500
Provide a good argument as to whether or not you think aliens exist.
Any answer with a good argument is fine!
500
Describe why the sun rises in the East and sets in the west.
Because of the way the Earth rotates.
500
Explain why there are different seasons at the same time around the world.
Different parts of the Earth are tilted towards or away from the sun, causing different seasons.
500
Solar Eclipse
The moon blocks the light from the sun, causing it to be dark in the middle of the day.
500
Which letter labels a waxing gibbous?
D