Sun
How large is the sun?
100 times bigger than the earth
How large is the Earth?
100 times smaller than the Sun.
How large is the moon?
1/4 the size of the Earth.
How many phases does the moon have?
8 phases
What causes the seasons?
The orbit and tilt of the Earth.
What is the sun made of?
What is most of the Earth made of?
Rock.
What is the moon made of?
Rock, mountains, valleys, and craters.
What is the first phase of the moon?
The new moon.
How long does it take Earth to make one rotation?
24 hours.
How much gravity does the sun have?
Enough gravity to hold 8 planets in place.
How much gravity does the Earth have?
6x more than the Moon.
How much gravity does the moon have?
6x less than the Earth.
How long is the lunar cycle?
29 days.
What causes shadows and how long can you see them?
What season happens when our part of the Earth is tilted toward the Sun?
Summer
Why do we have day and night?
Because the Earth rotates.
What does the moon revolve around?
The Earth.
Why do we have a lunar cycle?
Because of the moon's revolution.
What is the difference between a rotation and a revolution (orbit).
A rotation is something spinning around an axis. A revolution is one object making a large oval or circle around another object.
Why does the Sun appear to move in the sky?
Because the earth is rotating,
What does Earth revolve around?
The Sun.
Why does the moon have light?
It reflects the light from the Sun.
Why don't we ever see both sides of the moon?
One side is always facing away from us. It is called the dark side of the moon.
If the part of the Earth you are standing on is turned away from the Sun, is it day or night?
It is night.