NCERT Solutions for Ch 12 Beyond Earth Class 6 Science
Book Solutions1
Match the column:
Answer
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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.
(ii) Make two similar riddles by yourself.
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.
(ii) Make two similar riddles by yourself.
Answer
(i) MARS
(ii) (a) My first alphabet is in VAN but not in PAN
My second alphabet is in EARTH and also in HEAVEN
My third alphabet is in ONE and not in TWO
My fourth alphabet is in SUN and also in FUN
My last alphabet is in STAR but not in RADAR
I am a planet that moves around the Sun.
• VENUS
(b) My first alphabet is in MAN but not in CAN ‘,
My second alphabet is in ROSE and also in BOAT.
My third alphabet is in OIL and not in LIME
My fourth alphabet is in SUN but not in SON
• MOON
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3
Which of the following is not a member of our Solar System?
(i) Sirius
(ii) Comets
(iii) Asteroids
(iv) Pluto
(i) Sirius
(ii) Comets
(iii) Asteroids
(iv) Pluto
Answer
(i) Sirius
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4
Which of the following is not a planet of the Sun?
(i) Jupiter
(ii) Pluto
(iii) Neptune
(iv) Saturn
(ii) Pluto
(iii) Neptune
(iv) Saturn
Answer
(ii) Pluto
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5
Which is the brighter star, the Pole Star or Sirius?
Answer
Sirius
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6
An artist’s representation of the Solar System is given in Fig. 12.12. Is the order of the planets correct? If not, write the correct order in the boxes in the figure.
Answer
The order of the planets in the figure may not be correct. Thus, the correct order from the Sun is:Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
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7
A portion of night sky with stars is shown in Fig. 12.13. 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. 12.4 for help.
Answer
The Big Dipper, the Little Dipper and the Pole Star are shown below.
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8
A portion of the night sky is shown in Fig. 12.14. Draw lines to connect the stars for Orion and label the star Sirius. You may refer to Fig. 12.3.
Answer
Orion and the star Sirius are shown below.
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9
You can see stars fading away at dawn and appearing at dusk. During the day we do not see the stars. Explain why.
Answer
During the day, the Sun’s bright light outshines the stars, making them invisible to our eyes. The atmosphere scatters Sunlight, creating the blue sky and masking the faint light of the stars.
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10
During a clear night, try to observe the Big Dipper 3-4 times at an interval of 2 to 3 hours. Also try to locate the Pole Star each time. Does the Big Dipper appear to move? Draw a rough sketch to illustrate this, mentioning the time in each case.
Answer
The big dipper appears to move around the Pole Star due to the rotation of the Earth. Over a few hours, its position changes, making it seems as if it is rotating around the Pole Star.
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11
Think about the night sky and write a poem or a story on it.
Answer
Hint: This would be a creative exercise where students write their own poem or story about the night sky.
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