Earth
Earth and Moon
Moon
Moon Phases
Earth and Sun
100
This word describes the spin of a planet on its axis
Rotation
100
How many Moons does Earth have?
1
100
dark, smooth plains of low elevation
maria
100
What do waning and waxing mean?
Waning = shrinking
Waxing = growing
100
During the winter, the Earth's axis is tilted _______ from the sun.
away
200
The third planet from the sun?
Earth
200
When the Sun, Earth, and Moon are all aligned, and the moon casts a shadow on the Earth, what do we call it?
A solar eclipse
200
What is the darkest part of a moon's shadow?
Umbra
200
What is the phase when the moon is "missing" from the sky?
New Moon.
200
During the Spring, the Earth's axis is tilted _______ the sun.
Towards
300
The rotation of Earth on its axis causes these.
day and night.
300
the percentage of incoming sunlight that its surface reflects
albedo
300
True or false: Does the distance between the moon and the earth vary by the time of the month?
True
300
What phase of the moon is between a full moon and a half moon?
Waning Gibbous
300
What shape does the Earth orbit around the sun?
ellipse
400
radiation arranged according to wavelength and frequency
the electromagnetic spectrum
400
Tides are caused by...
the pull of gravity by the sun and moon
400
True or False: Is half of the moon always lit?
True!
400
What are these? 
The phases of the Moon!
400
It takes 365 and 1/4 days for earth to _______ around the sun.
Revolve
500
If we were in Australia, where would we see the Moon?
We would see the bottom half of the moon.
500
How long does it take for the moon to complete one rotation?
one day or 24 hours
500
When the Earth is in between the moon and the sun, what do we call it?
Lunar Eclipse
500
What phase of the moon is between a New Moon and First Quarter moon?
Waxing Crescent
500
What kind of season would you expect in Australia in September / October?
Beginning of Spring