Question 1
Match: (i) satellite of Earth (ii) red planet (iii) constellation (iv) planet commonly called the evening star. Options: Orion, Venus, Mars, Moon.
(i) d, (ii) c, (iii) a, (iv) b
Answer
Moon, Mars, Orion, Venus.
CLASS 6 · SCIENCE · CHAPTER 12
Simple answers to all 11 end questions and sample guidance for the chapter’s night-sky observation and creative prompts.
18 worked answers · short steps first, explanations when you need them
Textbook pages 249–252
Question 1
(i) d, (ii) c, (iii) a, (iv) b
Moon, Mars, Orion, Venus.
Question 2
M + A + R + S = MARS.
MARS. The two sample riddles have answers Moon and Jupiter.
Question 3
Sirius
Sirius is not part of our Solar System.
Question 4
Pluto
Pluto is a dwarf planet.
Question 5
Sirius
Sirius is brighter than the Pole Star.
Question 6
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune.
Question 7
Big Dipper: bowl and handle. Extend the bowl's two pointer stars about five times their gap to find the Pole Star in the Little Dipper.
Label Big Dipper, Little Dipper, and the Pole Star using the pointer stars.
Question 8
Find Orion's three belt stars; extend their line eastward to locate Sirius.
Connect Orion and label the bright nearby star Sirius.
Question 9
Daylight makes the sky too bright for us to see the faint stars.
Stars remain there, but sunlight makes them hard to see during the day.
Question 10
The Big Dipper appears to shift around the nearly stationary Pole Star as Earth rotates.
Sketch its changing position and keep the Pole Star nearly fixed.
Question 11
Write original lines about stars, the Moon, constellations, or planets.
Any original poem or story about the night sky is suitable.
Textbook pages 232–248, 252
Question Activity 12.1
Join stars with imaginary lines, name the pattern, and compare it with others.
Patterns and stories can differ from person to person.
Question Sections 12.1–12.2
Constellations help identify sky regions; familiar stars once helped travellers find directions.
Star patterns helped people recognise stars and directions.
Question Activity 12.2
Go with an adult to a safe, dark, open place; plan ahead and let your eyes adjust.
Observe safely with an adult, away from lights and obstructions.
Question Learning further
Examples: Budha (Mercury), Śhukra (Venus), Mangala (Mars), Guru (Jupiter), Śhani (Saturn).
Planet names and constellation stories vary across regions.
Question Learning further
Switch off unneeded lights and aim necessary lights downwards.
Reducing unnecessary upward light helps keep the sky darker.
Question Learning further
High altitude, dry clear weather, and low light pollution help astronomers see the sky.
Hanle's dark, dry, often clear skies suit astronomy.
Question Section 12.3
Use binoculars or a telescope with adult guidance; never point them at the Sun.
A telescope or binoculars can help show faint objects.