How much more mass does the Earth have compared to the moon?
81 times
What makes the moon have phases?
Half the moon is always lit, and we can always see half the moon, but those two halves are not always the same halves
This phase moon happens about a week after a new moon
First quarter phase
What is a telescope?
A telescope is a thing that uses lenses to make objects look like they are closer and bigger
What is a shadow?
A dark spot created when an object blocks the light hitting it.
What phase of the moon is it when you can't see the moon?
A new moon
Why do we always see the same side of the moon?
It takes the same amount of time to spin around (rotate) once as it takes to go around the Earth (revolve) once
What is a crater?
a bowl-shaped hole on the surface of an object in space. Often formed when another object crashes into it
What kind of celestial body is the Sun
A star
How many phases of the moon are there?
8
The 2 movements of the Earth
Rotation and Revolution
When is a shadow long? When is it short?
A shadow is longer when when the sun is lower in the sky. It is shorter when the sun is higher in the sky. Also the time of year.
The movement that causes day and night
rotation. The side facing the sun is daytime, the side facing away from the sun is night
How much bigger is Earth than the moon?
4 times bigger
The number of days that it takes to the moon to orbit the Earth
27 days
How much greater is the Earth's volume than the moon's?
49 times
How does the moon make light?
It reflects the light of the sun
The main phases of the Moon
new moon, first quarter, full moon, last quarter
The movement that causes the seasons of the year
The revolution of the Earth around the sun combined with it's tilt
What is called when you can see the full circle of the moon?
A full moon.
How many seasons are there? What are they?
4. Spring, summer, fall (autumn), winter.
This phase moon happens about 3 weeks after a new moon
3rd quarter phase
How long is the cycle of moon phases?
29.5 days
What is Earth's axis?
An imaginary line running between the north and south pole that the earth spins around.
How long does it take for the Earth to revolve around the sun?
About 365 days. 1 year
Which direction does the Earth spin?
The Earth spins counter clockwise.
What makes the sun rise and set?
The sun stays in the same place relative to earth. Earth's spinning makes it look like the sun is moving.