Earth, Sun and Sky Flashcards
1
Q
What is a star
A
A ball of extremely hot gas
2
Q
Approximately how many times bigger than earth is the sun
A
100 times
3
Q
How many kilometres is the sun it from earth?
A
150 million
4
Q
How many light minutes does it take to get to earth from the sun?
A
8
5
Q
Why do we have day and night?
A
Because the earth spins on its axis and so for some of the day the earth points towards the sun and the other part is away from the sun
6
Q
Why is a day 24 hours long?
A
This is because it takes the earth 24 hours to make one full spin on its axis.
7
Q
Why is a year 365 days long?
A
Because that is how long it takes for the earth to make one full orbit of the sun.
8
Q
True or false: Earth has a gravitational field strength of 10N/Kg
A
True
9
Q
What degree is earth axis?
A
23.5
