Stars and The Solar System - Worksheet

CBSE Class 8 - Science

Fill in the blanks with suitable words:

1. The stars, the planets, the moon and many other objects in the sky are called _________ objects.

2. The various shapes of the bright part of the moon as seen during a month are called ________ of the moon.

3. The moon is visible due to reflected ________.

4. The Sun and the celestial bodies that revolve around it form the ______ system. It consists of planets, comets, asteroids and meteors.

5. A planet has a definite path (in which it revolves around the Sun,) called an ______.

6. The stars forming a group that has a recognisable shape is called a __________.

7. _______ are celestial bodies that emit light of their own.

8. A body revolving around another body is called a ________.

9. ________ is the largest planet of the solar system.

10. _______ is the brightest planet in the night sky.

11. Some meteors are large so that they can reach the Earth before they evaporate completely. The body that reaches the Earth is called a _________.

12. _________ was the first Indian satellite.

13. There is a large gap in between the orbits of Mars and Jupiter. This gap is occupied by a large number of small objects called ________.

14. On July 21, 1969 (Indian time) the American astronaut _________ landed on the moon for the first time followed by __________.

15. A _________ is the distance covered by light at its speed in a year.

Answers:

1. celestial

2. phases

3. sunlight

4. solar

5. orbit

6. constellation

7. Stars

8. satellite

9. Jupiter

10. Venus

11. meteorite

12. Aryabhatta

13. asteroids

14. Neil Armstrong, Edwin Aldrin

15. Light year