15. Movements of the earth, planets and moons Flashcards
1
Q
How long does it take for the earth to rotate once on its axis?
A
24 hours or 1 day
2
Q
Explain how we get night and day.
A
As the earth rotates it is day when we face the sun and night when we are on the opposite side of the earth to the sun
3
Q
Why do we have a leap year?
A
The earth’s orbit takes 365 1/4 days. We use 365 days for 3 years and then in the fourth year have 366 days. This is called a leap year and the extra day is 29 February.
4
Q
How long does the moon take to rotate once?
A
28 days.
5
Q
How long does the moon take to rotate around the sun?
A
28 days.
