solar system Flashcards
1
Q
what is day and night caused by?
A
earth rotating past the light from the sun
2
Q
what are seasons caused by?
A
the tilt on the earth as axis
3
Q
when does the sun rise higher?
A
summer
4
Q
what are lunar phases caused by?
A
the moon being lit by the sun from different angles
5
Q
when does a solar eclipse occur?
A
when the moon passes between the earth and the sun
6
Q
what is an umbra?
A
a shadow in which no light shines
7
Q
what is a penumbra?
A
a partial shadow
8
Q
what are craters?
A
remains of asteroid impacts
9
Q
what are the seas on the moons?
A
ancient lava planes
10
Q
what is the difference between the inner and outer planets?
A
the inner 4 are rocky and the outer 4 are gas giants
