1. What is the shape of the sun?
A. round
C. oblong
B. flat
D. square
2. What is the shape of the earth?
A. round
C. oblate spheroid
D. oblong
B. flat
3. Which is the biggest among the three?
A. Sun
C. Moon
B. Earth
D. A and B
4. How many months are there in one year?
A. one month
C. twelve months
B. six months
D. ten months
5.How long does it take for the earth to rotate on its axis?
A. 12 hours
B. 24 hours
C. 32 hours
D. 40 hours ​