Chapter  17 : Stars and Solar System

1.Morning star is the name given to
(a)pole star    (b)star Sirius (c)planet Jupiter
 (d)planet Venus
2.Which of the following figures depicts the position of pole star correctly?

Photo

3.Sun appears to move from east to west around the earth. This means that earth rotates from
(a)east to west (b)west to east      (c)north to south
(d)west to north

4.An astronaut standing on the surface of the moon throws a ball upwards. The ball would
(a)directly fall down from the point it is released.
(b)hang in space.
(c)go up and then come back to the surface of the moon.
(d)keep going up never to come back.