Solar System Worksheet-1

Solar System Worksheet-1


Multiple Choice Questions:

  1. Which instrument helps us to see stars and moon?

(a) Thermometer      (b) Telescope              (c) Stethoscope


  1. What is Earth?

(a) A planet                 (b) A satellite              (c) A star


  1. The Earth moves around which of the following?

(a) Sun                         (b) Star                        (c) Moon


  1. Till July 2006, it was accepted that the sun has a family of _____ planets.

(a) seven                      (b) nine                        (c) eight


  1. In which year did International Astronomical Union (IAU) redefined a planet?

(a) 2004                      (b) 2005                      (c) 2006


  1. Which of the following correctly defines IAU?

(a) International Astronomical Union

(b) International Astrological Union

(c) Indian Astrological Unit


  1. On which date did International Astronomical Union (IAU) redefined a planet?

(a) August 22             (b) August 23             (c) August 24


  1. Our solar system has now only ______ planets.

(a) five                         (b) eight                       (c) seven


  1. Which of the following is now called a dwarf planet?

(a) Mars                      (b) Pluto                      (c) Mercury


  1. What is the fixed path in which eight planets move around the sun called?

(a) Orbit                      (b) Axis                        (c) Rotation


Answer Key:

(1)-B; (2)-A; (3)-A; (4)-B; (5)-C; (6)-A; (7)-C; (8)-B; (9)-B; (10)-A