This MCQ module is based on: Beyond Earth
TOPIC 46 OF 46
Beyond Earth
🎓 Class 6
Science
CBSE
Theory
Ch 12 — Beyond Earth
⏱ ~8 min
🌐 Language: [gtranslate]
🧠 AI-Powered MCQ Assessment
▲
Myaischool Lt Science Assessment
▲
[myaischool_lt_science_assessment grade_level="class_6" science_domain="earth_science" difficulty="basic"]
Chapter 12 — Summary of Big Ideas
This chapter took us on a journey far beyond our own planet — from the Sun's family to distant stars, from day and night here at home to India's achievements on the Moon and Mars. Let us look back at the big ideas.
The Solar System
The Sun plus 8 planets, their moons, dwarf planets, asteroids and comets — all held together by the Sun's pull.
The Sun — Our Star
A giant ball of hot gases that gives light and heat. It is the source of almost all energy on Earth.
Inner vs Outer Planets
Inner — Mercury, Venus, Earth, Mars (rocky, small). Outer — Jupiter, Saturn, Uranus, Neptune (gaseous, huge).
Dwarf Planets & Asteroids
Pluto, Eris, Ceres are dwarf planets. Asteroids are rocky leftovers between Mars and Jupiter.
Day and Night
Caused by Earth's rotation on its axis, which takes 24 hours.
Seasons
Caused by Earth's revolution around the Sun plus the tilt of its axis. One revolution = 1 year.
Phases of the Moon
As the Moon orbits Earth, we see different amounts of its sunlit side, giving us New Moon to Full Moon and back.
Eclipses
Solar eclipse on New Moon day; lunar eclipse on Full Moon day — when Sun, Earth and Moon line up.
Stars & Constellations
Stars twinkle because of our atmosphere. Patterns of stars form constellations like Saptarishi and Orion.
India in Space
ISRO's Aryabhata, Chandrayaan-1/2/3, Mangalyaan and Aditya-L1 have put India among the top space nations.
Key Terms to Remember
Solar SystemSun + planets + other bodies
StarHot gas ball giving own light
PlanetLarge body that orbits the Sun
OrbitFixed path around a star or planet
SatelliteBody that moves around a planet
MoonEarth's natural satellite
RotationSpinning on own axis
RevolutionGoing around the Sun
AxisImaginary line through the Poles
Day & NightResult of Earth's rotation
SeasonsResult of revolution + tilt
Phases of MoonChanging shapes we see
Dwarf PlanetSmall round body like Pluto
AsteroidRocky body between Mars & Jupiter
CometIcy body with a glowing tail
EclipseSun/Moon blocked by shadow
ConstellationPattern of stars in the sky
SaptarishiGreat Bear — 7 bright stars
Pole StarDhruv Tara — always in north
Light-yearDistance light travels in 1 year
ISROIndia's space agency
ChandrayaanIndia's Moon missions
MangalyaanIndia's first Mars mission
AstronautPerson trained for space
NCERT Exercises — With Solutions
Q1.Name the eight planets of our Solar System in order from the Sun. L1
In order from the Sun outward: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. An easy way to remember: "My Very Energetic Mother Just Served Us Noodles."
Q2.Why is the Sun called a star and not a planet? L2
The Sun is a huge ball of very hot gases that produces its own light and heat — this is the defining property of a star. Planets do not make their own light; they only reflect sunlight. That is why the Sun is classed as a star, and our Earth along with seven other bodies are planets that move around it.
Q3.Explain the difference between the inner and outer planets. L2
Inner planets (Mercury, Venus, Earth, Mars) are closer to the Sun, small in size and made mainly of rock and metal. They have few or no moons.
Outer planets (Jupiter, Saturn, Uranus, Neptune) are far from the Sun, very large, and made mostly of gases and ices. They all have rings and many moons.
Outer planets (Jupiter, Saturn, Uranus, Neptune) are far from the Sun, very large, and made mostly of gases and ices. They all have rings and many moons.
Q4.Why is Pluto no longer considered a planet? L2
In 2006, astronomers agreed on a new definition of a planet. A planet must (i) orbit the Sun, (ii) be large enough to be round, and (iii) have cleared its orbital path of other objects. Pluto fails the third rule — there are other objects sharing its path. So it was renamed a dwarf planet.
Q5.What causes day and night on Earth? L2
Day and night are caused by the rotation of the Earth on its axis. At any moment, the half of the Earth that faces the Sun has daytime, while the half turned away has night. As Earth keeps spinning from west to east, one full rotation takes about 24 hours, giving us one day and one night.
Q6.What causes the seasons? L3
Seasons are caused by two things working together: (i) the Earth's revolution around the Sun, which takes about 365¼ days, and (ii) the tilt of Earth's axis (23.5°). As the Earth moves along its orbit, different parts of it are tilted toward or away from the Sun. When your hemisphere tilts towards the Sun, it gets direct, strong sunlight — summer. When it tilts away, sunlight is weaker and days are shorter — winter.
Q7.Why does the Moon appear to change its shape every night? L2
The Moon does not really change shape. It is always a round ball, and half of it is always lit by the Sun. As the Moon travels around the Earth, we see the sunlit side from different angles. When the lit side is fully towards us we see a Full Moon; when it is fully away, we see no Moon (New Moon). The in-between shapes — crescent, half, gibbous — are what we call the phases of the Moon. One full cycle takes about 29½ days.
Q8.Why do stars appear to twinkle while planets do not? L3
Stars are extremely far away, so their light reaches us as a single tiny point. When this light passes through Earth's atmosphere, the air layers — which are always moving and at different temperatures — bend the light this way and that. The star's brightness seems to shift — it twinkles. Planets are much closer, so they appear as tiny discs rather than points. Light from the whole disc averages out, so planets glow with a steady light.
Q9.Name any two constellations and draw their pattern in your notebook. L1
Two famous constellations are:
(i) Saptarishi (Ursa Major / Great Bear) — seven bright stars shaped like a big ladle; visible in northern sky.
(ii) Orion (Mriga / the Hunter) — has three stars in a straight line forming the "Belt of Orion"; visible in winter nights.
Other examples: Cassiopeia (looks like a "W"), Leo (like a lion).
(i) Saptarishi (Ursa Major / Great Bear) — seven bright stars shaped like a big ladle; visible in northern sky.
(ii) Orion (Mriga / the Hunter) — has three stars in a straight line forming the "Belt of Orion"; visible in winter nights.
Other examples: Cassiopeia (looks like a "W"), Leo (like a lion).
Q10.How can you find the Pole Star (Dhruv Tara) using Saptarishi? L3
Look for the seven stars of Saptarishi in the northern sky. Identify the two bright stars at the end of the ladle's bowl (the two pointer stars). Draw an imaginary straight line through these two stars and extend it outward — the line will lead you to a lone, steady, medium-bright star. That is the Pole Star. It appears almost fixed in the sky because it lies above Earth's axis, and it always points to the north — which is why travellers have used it for centuries.
Q11.Write a short note on the contribution of ISRO to space exploration. L3
The Indian Space Research Organisation (ISRO), founded in 1969, has made India one of the leading space nations. Its main milestones include: Aryabhata (1975, India's first satellite), Chandrayaan-1 (2008, confirmed water on the Moon), Mangalyaan (2013, reached Mars in the first attempt), Chandrayaan-3 (2023, first soft landing near the Moon's south pole), and Aditya-L1 (2023, India's first Sun-studying mission). ISRO also launches communication, weather and navigation satellites that help our daily lives — from TV broadcasts to weather warnings and GPS-like services (NavIC).
Q12.If you were an astronaut travelling to the Moon, describe three things that would feel different from life on Earth. L6
Three clear differences would be:
(i) No air to breathe — I would have to wear a spacesuit all the time; outside the spacecraft I could not breathe or even talk to a friend (sound needs air).
(ii) Very low gravity — the Moon's pull is about one-sixth of Earth's. I would weigh much less and could jump six times higher. Walking would feel more like floating.
(iii) Extreme temperatures and a black sky — without an atmosphere, the Moon's day is scorching (over 100 °C) and its night is freezing (below −150 °C). The sky would look black even in the daytime, and stars would not twinkle because there is no air.
Other differences I might add: the Earth would rise in the lunar sky like a beautiful blue marble; footprints would last for centuries because there is no wind or rain.
(i) No air to breathe — I would have to wear a spacesuit all the time; outside the spacecraft I could not breathe or even talk to a friend (sound needs air).
(ii) Very low gravity — the Moon's pull is about one-sixth of Earth's. I would weigh much less and could jump six times higher. Walking would feel more like floating.
(iii) Extreme temperatures and a black sky — without an atmosphere, the Moon's day is scorching (over 100 °C) and its night is freezing (below −150 °C). The sky would look black even in the daytime, and stars would not twinkle because there is no air.
Other differences I might add: the Earth would rise in the lunar sky like a beautiful blue marble; footprints would last for centuries because there is no wind or rain.
Frequently Asked Questions — Beyond Earth — Chapter 12 Exercises
What does the topic 'Beyond Earth — Chapter 12 Exercises' cover in Class 6 Science?
The topic 'Beyond Earth — Chapter 12 Exercises' is part of NCERT Class 6 Science Chapter 12 — Beyond Earth. It covers the key ideas of solar system, Earth, Moon, stars, space missions, NCERT exercises, explained through everyday examples, labelled diagrams and hands-on activities from the NCERT Curiosity textbook. Class 6 students learn simple definitions, see why each idea matters in daily life, and try short experiments and observations. The lesson uses easy language, colourful pictures and small questions so that young learners build a strong base for higher classes and for competency-based questions in CBSE school tests.
Why is 'Beyond Earth — Chapter 12 Exercises' important for Class 6 NCERT Science?
'Beyond Earth — Chapter 12 Exercises' is important because it builds the first ideas of science that Class 6 students will use again in Class 7, 8 and beyond. NCERT Chapter 12 — Beyond Earth — introduces solar system and connects it to things children already see at home, at school and in nature. Learning this topic helps students ask better questions, understand simple news about science, and score well in CBSE tests that use competency-based questions. The chapter also supports NEP 2020 by encouraging curiosity, observation and learning by doing rather than only reading and memorising.
What are the key ideas students should remember from Beyond Earth — Chapter 12 Exercises?
The key ideas in 'Beyond Earth — Chapter 12 Exercises' for Class 6 Science are: solar system, Earth, Moon, stars, space missions, NCERT exercises. Students should be able to say each term in their own words, give one or two easy examples from daily life, and draw a small labelled diagram where needed. A good way to revise is to make flashcards, write a short note in the science notebook, and solve the NCERT in-text and exercise questions of Chapter 12. Linking every idea to something seen at home or school — in the kitchen, garden, playground or sky — makes these ideas easy to remember for unit tests and the annual CBSE examination.
How is Beyond Earth — Chapter 12 Exercises taught using activities in NCERT Curiosity Class 6?
NCERT Curiosity Class 6 Science teaches 'Beyond Earth — Chapter 12 Exercises' through an inquiry-based approach using Predict–Observe–Explain activities. Students first make a guess, then try a small experiment with safe, easily available materials, and finally explain what happened and why. This matches the NEP 2020 focus on learning by doing. For Chapter 12 — Beyond Earth — the textbook has hands-on tasks, labelled pictures and thinking questions built for Bloom's Taxonomy Levels 1 to 6. Teachers use these activities, along with competency-based questions (CBQs) and assertion–reason items, to check real understanding instead of only rote learning.
How should Class 6 students prepare for the Chapter 12 exercises?
To prepare for the Chapter 12 — Beyond Earth — exercises in NCERT Class 6 Science, students should first revise the theory in Parts 1–3 and make a short note of definitions and diagrams for solar system, Earth, Moon, stars, space missions, NCERT exercises. Next, try each exercise question on their own before looking at the solution. Pay special attention to MCQs, match-the-following, fill-in-the-blanks, assertion–reason and short-answer items, as these often appear in CBSE competency-based tests. Practising with the NCERT Curiosity textbook, the exemplar questions, and the MyAiSchool practice bank helps Class 6 students score better in unit tests and the annual examination.
How does 'Beyond Earth — Chapter 12 Exercises' connect to other chapters of Class 6 Science?
'Beyond Earth — Chapter 12 Exercises' connects to many other chapters in NCERT Class 6 Science Curiosity. The ideas of solar system come back when students study related topics like diversity in the living world, food, magnets, measurement, materials, temperature, water, separation, habitats, natural resources and the solar system. For example, what students learn here helps them build mental pictures for later chapters and for Class 7 and Class 8 Science. Teachers often ask cross-chapter questions in CBSE exams to check if students can use what they learned in Chapter 12 — Beyond Earth — in new situations. This linked approach matches the NEP 2020 and NCF 2023 focus on holistic, competency-based learning.
AI Tutor
Science Class 6 — Curiosity
Ready