Class 6 Science Chapter 13 Wonderful Facts of Space

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Class 6 Science Chapter 13 Wonderful Facts of Space

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Wonderful Facts of Space

Chapter: 13

PART – II

EXERCISE

(1-5) Darken the circle of correct answer.

1. Which of the following is an example of a constellation?

(a) Meteor.

(b) Comet.

(c) Ursa Major.

(d) Asteroid.

Ans: (c) Ursa Major.

2. Which of the following is not a member of our Solar System?

(a) Satellite.

(b) Constellation.

(c) Comet.

(d) Asteroid.

Ans: (b) Constellation.

3. Which of the following is a member of our Solar System?

(a) Sirius.

(b) Orion.

(c) Canis Major.

(d) Asteroids.

Ans: (d) Asteroids.

4. Which of the following is not a planet of the Sun?

(a) Neptune.

(b) Pluto.

(c) Saturn.

(d) Mercury.

Ans: (b) Pluto.

5. Which is the second nearest star to the Earth? 

(a) Ursa Minor.

(b) Sun.

(c) Proxima Centauri.

(d) Pole Star.

Ans: (c) Proxima Centauri.

6. Match the following.

Column – Ⅰ	Column – ⅠⅠ
(i) Red Planet	(a) Venus
(ii) Planet with rings	(b) Mars
(iii) Constellation	(c) Saturn
(iv) Planet which is commonly called an evening star	(d) Orion

Ans: 

Column – Ⅰ	Column – ⅠⅠ
(i) Red Planet	(b) Mars
(ii) Planet with rings	(c) Saturn
(iii) Constellation	(d) Orion
(iv) Planet which is commonly called an evening star	(a) Venus

7. Fill in the blanks.

(i) A celestial body or object that revolves around a planet is known as ____________.

Ans: Satellite.

(ii) Asteroids are found between the orbits of Mars and ____________.

Ans: Mars and Jupiter.

(iii) The star Sirius is located in __________ constellation.

Ans: Canis Major.

(iv) The eight planets in order of their distance from the Sun are:-

______Venus, Earth, Mars, _________Saturn, Uranus and Neptune.

Ans: Mercury,Jupiter.

8. State whether the following statements are True (T) or False (F)

(i) Pluto is the ninth planet of our solar system. ()

Ans: False.

(ii) Pole star is a member of the solar system. ()

Ans: False.

(iii) A comet does not have a tail. ()

Ans: False.

(iv) There are millions of stars in the Universe. ()

Ans: True.

(v) Uranus is the farthest planet in the solar system. ()

Ans: False.

(vi) Orion is the brightest star in the Universe. ()

Ans: False.

9. A portion of night sky with stars is shown in Fig.13.16 Look carefully and identify the groups of stars that form the patterns-the Big Dipper and the Little Dipper. Draw lines to connect the stars for these patterns and label them. Also, identify and label the Pole Star. You may refer to Fig.13.6 for help.

Ans: 

10. A portion of the night sky is shown in Fig.13.17. Draw lines to connect the stars for Orion and label the star Sirius. You may refer to Fig. 13.5.

Ans: 

11. During a clear night, try to observe the Big Dipper (Ursha Major) 3-4 times at an interval of 2 to 3 hours. Try to locate the Pole Star each time. Does the Big Dipper appear to move? Draw a rough sketch mentioning the time in each case.

Ans: 

12. Write a poem or a story thinking about the night sky.

Ans: Night’s Quiet Song

Stars blink in hush,
A cosmic hush,
Moonlight’s soft embrace,
Night’s gentle grace.