Chapter 12. Beyond Earth Class 6 Science Curiosity Solutions English Medium-NCERT Textbook Exercise With Answers

NCERT Solutions Class 6 Science Curiosity English Medium

Chapter 12. Beyond Earth

Topic: NCERT Textbook Exercise With Answers

Chapter 12. Beyond Earth

The following NCERT Solutions are prepared according to the latest NCERT Curiosity Science Grade 6 textbook and the latest CBSE pattern. The answers are written in simple, original, and student-friendly language to help learners understand the concepts clearly and prepare effectively for examinations.

NCERT Textbook Exercise

Read each question carefully and understand the explanation given with the answers.

Question 1. Match the following.

Answer:

Question 2 (i). Solve the following riddle.

My first alphabet is in MAN but not in CAN.
My second alphabet is in ACE and also in FAN.
My third alphabet is in RAT and not in CAT.
My fourth alphabet is in SUN but not in FUN.
I am a planet that moves around the Sun.

Answer:

Mars

Question 2 (ii). Make two similar riddles by yourself.

Answer (Sample):

Riddle 1

My first letter is in STAR but not in CAR.
My second letter is in VENUS and EARTH.
My third letter is in LIGHT but not in NIGHT.
I shine in the daytime and give energy to Earth.
Who am I?

Answer: Sun

Riddle 2

I do not produce my own light.
I move around the Earth.
You can see different phases of me.
Who am I?

Answer: Moon

Question 3. Which of the following is not a member of our Solar System?

(i) Sirius
(ii) Comets
(iii) Asteroids
(iv) Pluto

Answer:

Sirius is not a member of our Solar System. It is a distant star outside our Solar System. :contentReference[oaicite:0]{index=0}

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

(i) Sirius
(ii) Mercury
(iii) Saturn
(iv) Earth

Answer:

Sirius is not a planet. It is a star.

Question 5. Which of the following statements are correct?

• (a) Stars produce their own light.
• (b) Planets produce their own light.
• (c) Planets shine because they reflect sunlight.
• (d) The Sun is a star.

Answer:

Correct statements are (a), (c), and (d).

Explanation:

• Stars are self-luminous.
• Planets do not produce their own light.
• Planets are visible because they reflect sunlight.
• The Sun is the nearest star to Earth.

Question 6. Why do stars appear to twinkle while planets usually do not?

Answer:

Stars are extremely far away from Earth. Their light passes through different layers of the atmosphere, causing it to bend continuously. This makes stars appear to twinkle. Planets are much closer than stars and appear as tiny discs, so their light is steadier and they usually do not twinkle.

Question 7. Why is the Pole Star important?

Answer:

The Pole Star appears almost fixed in the northern sky. It helps people identify the north direction and has been used for navigation by travellers and sailors for centuries. :contentReference[oaicite:1]{index=1}

Question 8. Draw lines to connect the stars for Orion and label the star Sirius.

Answer:

Students should draw the Orion constellation by joining the stars as shown in the textbook and label Sirius as the brightest nearby star. :contentReference[oaicite:2]{index=2}

Question 9. From Earth, stars disappear at dawn and appear again at dusk. Why?

Answer:

During the daytime, sunlight is scattered by Earth's atmosphere, making the sky very bright. Because of this bright sky, the light from distant stars cannot be seen. At night, when the Sun is below the horizon, the sky becomes dark and the stars become visible again. :contentReference[oaicite:3]{index=3}

Question 10. Observe the Big Dipper several times during the night. Does it appear to move?

Answer:

Yes. The Big Dipper appears to move around the Pole Star during the night. This apparent movement is caused by the rotation of the Earth on its axis. Students should make observations at different times and draw labelled sketches in their notebooks. :contentReference[oaicite:4]{index=4}

Question 11. Think about the night sky and write a poem or a short story.

Answer (Sample):

The night sky is filled with countless shining stars. Every star tells a silent story of the vast universe. The Moon lights up the darkness, while the planets slowly travel around the Sun. Looking at the sky reminds us that Earth is only a tiny part of a magnificent universe full of mysteries waiting to be explored.

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• Class 6 NCERT Solutions PDF
• CBSE Class 6 Study Material
• NCERT Book Questions and Answers
• Exam Oriented Important Questions
• Step-by-Step Detailed Solutions
• Concept Clarity and Revision Notes

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