An atmosphere protects it's surface from MOST space debris.
Earth
The length of time for the moon to revolve around the Earth.
27-29 days
The length of time of one tide cycle.
12 hours
When the moons illumination seems to be "shrinking" it is in the _________ phase.
How long does a season last?
90-93 days
You will find valleys, craters, and mountains here.
Earth and Moon
Earth rotates on an invisible line called an __________.
Axis
There are ___ high and ___ low tides per day.
2, 2
Which number represents a 3rd or last quarter moon as seen from Earth?

3
The direction that Earth spins; this makes the sun rise in the East and set in the West.
Counterclockwise
It has the strongest gravitational pull.
Sun
The length of time for Earth to rotate once.
24 hours
During our summer months, the northern hemisphere is tipped (towards/away) from the sun.
Towards
The image represents what kind of moon?

waning crescent
If the moon is more than 1/2 illuminated, it is called a _______________ moon.
Gibbous
This rotates on an axis.
The length of time for Earth to revolve once.
365.25 or 365 1/4 days
The type of tide when the Earth, moon, and sun are aligned.
Spring Tide
Which number represents a waning gibbous moon?
2
I go to the beach at 10 am and find the high tide has covered most of the beach. What time should I come back for low tide?
Temperatures here can go below freezing.
Earth and Moon
We get day and night because of this Earth movement.
Rotation on its axis
How many hours it takes to go from high tide to low tide.
6 hours
The following image shows what moon phase?
1st Quarter
The moon's orbit is not flat, but tipped slightly at ___ degrees.
5o
This revolves around another thing.
Sun, Earth and Moon
The length of time for the moon AND sun to rotate once.
What is 27 days.
What is Earth's revolution around the sun.
In this image of the moon phases, where would the sun be located?

What is the RIGHT side.
The Earth's orbit (or revolution) around the sun is not flat but tipped at what degree?
What is 23.5 degrees
December 7th is a full moon. Which day would you expect the next New Moon?
(You may answer with any date in the correct range)

Between December 19th-23rd