Class 6 Science Chapter 12 – Beyond Earth Practice Worksheet

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Practice Worksheet : Chapter 12 – Beyond Earth Class 6 Science

(CBSE Class 6 Science – Curiosity Book)

Class 6 Science – Chapter 12 Beyond Earth – Practice Worksheet

Complete Worksheet for Class 6 Science – Chapter 12: Beyond Earth (Curiosity Textbook).

SET 1 – Class Test Paper (20 Marks) – Chapter 12 – Beyond Earth

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. What is a star?
  2. Name the constellation also known as Saptaṛiṣhi.
  3. What is the Pole Star also called?
  4. Which planet is called the Red Planet?
  5. What is a satellite?

Section B: Short Answer (2×4 = 8 marks)

  1. What are constellations? Give one use of constellations.
  2. Why are more stars visible in Nubra as compared to big cities?
  3. What are natural satellites? Give examples.
  4. Define light pollution. How does it affect sky watching?

Section C: Long Answer (4 marks)

  1. Describe the Moon. Explain its surface, revolution, size, and exploration missions.
    (Write 5–6 sentences)

Section D: Objective (1×3 = 3 marks)

  1. Fill in the blank:
    The Sun is the main source of _________ and light on Earth.
  2. True or False:
    The Earth takes 27 days to revolve around the Sun.
  3. Match the following:
    A. Mars – i. Morning/Evening Star
    B. Venus – ii. Red Planet

ANSWERS: SET 1 – Class Test Paper

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. What is a star?
    Answer: A star is a huge ball of hot gases that produces its own light and heat.
  2. Name the constellation also known as Saptaṛiṣhi.
    Answer: Ursa Major.
  3. What is the Pole Star also called?
    Answer: Dhruva Tara.
  4. Which planet is called the Red Planet?
    Answer: Mars.
  5. What is a satellite?
    Answer: A satellite is an object that revolves around a planet.

Section B: Short Answer (2×4 = 8 marks)

  1. What are constellations? Give one use of constellations.
    Answer: Constellations are groups of stars that form recognizable patterns in the sky. They help travellers locate directions.
  2. Why are more stars visible in Nubra as compared to big cities?
    Answer: More stars are visible in Nubra because there is less light pollution and the air is clearer.
  3. What are natural satellites? Give examples.
    Answer: Natural satellites are objects naturally present in space that revolve around planets. Example: The Moon, the moons of Jupiter.
  4. Define light pollution. How does it affect sky watching?
    Answer: Light pollution means excessive artificial light. It reduces our ability to see stars clearly.

Section C: Long Answer (4 marks)

  1. Describe the Moon. Explain its surface, revolution, size, and exploration missions.
    Answer: The Moon is Earth’s natural satellite and appears bright because it reflects sunlight. Its surface has craters, mountains, and plains. It takes about 27 days to revolve around Earth. The Moon has no atmosphere and no water. India has launched missions like Chandrayaan-1, 2, and 3 to study the Moon.

Section D: Objective (1×3 = 3 marks)

Match the following:
A. Mars – Red Planet
B. Venus – Morning/Evening Star
Answer: A → Red Planet, B → Morning/Evening Star.

Fill in the blank:
The Sun is the main source of _________ and light on Earth.
Answer: heat.

True or False:
The Earth takes 27 days to revolve around the Sun.
Answer: False.

SET 2 – Class Test Paper (20 Marks) – Chapter 12 – Beyond Earth

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. Name the brightest star visible from Earth at night.
  2. What helps travellers find direction at night?
  3. Name any one star in the Orion constellation.
  4. What is the Milky Way?
  5. What is revolution?

Section B: Short Answer (2×4 = 8 marks)

  1. Mention two conditions required for night sky watching.
  2. Why do stars not appear in the daytime?
  3. What are asteroids? Where are most of them found?
  4. Explain why Venus appears brighter than other planets.

Section C: Long Answer (4 marks)

  1. Explain planets. Mention their types and give examples of inner and outer planets.
    (Write 5–6 sentences)

Section D: Objective (1×3 = 3 marks)

  1. Fill in the blank:
    _________ is Earth’s natural satellite.
  2. True or False:
    Comets are made up of dust, rocks and ice.
  3. Match the following:
    A. Jupiter – i. Has rings
    B. Saturn – ii. Largest planet

ANSWERS: SET 2 – Class Test Paper

Chapter: Beyond Earth

Section A: Very Short Answer

  1. Name the brightest star visible from Earth at night.
    Answer: Sirius.
  2. What helps travellers find direction at night?
    Answer: The Pole Star.
  3. Name any one star in the Orion constellation.
    Answer: Betelgeuse or Rigel.
  4. What is the Milky Way?
    Answer: The Milky Way is the galaxy in which our Solar System exists.
  5. What is revolution?
    Answer: Revolution is the movement of a planet around the Sun.

Section B: Short Answer

  1. Mention two conditions required for night sky watching.
    Answer: A dark place and a clear sky.
  2. Why do stars not appear in the daytime?
    Answer: Because the Sun’s bright light hides their light.
  3. What are asteroids? Where are most of them found?
    Answer: Asteroids are small rocky bodies found mostly in the asteroid belt between Mars and Jupiter.
  4. Explain why Venus appears brighter than other planets.
    Answer: Venus appears bright because it is covered with thick clouds that reflect sunlight strongly.

Section C: Long Answer

  1. Explain planets. Mention their types and give examples of inner and outer planets.
    Answer: Planets are celestial objects that revolve around the Sun and do not produce their own light. Inner planets are Mercury, Venus, Earth, and Mars. Outer planets are Jupiter, Saturn, Uranus, and Neptune. Inner planets are rocky, while outer planets are gas giants. All planets follow fixed orbits around the Sun.

Section D: Objective

Match the following:
A. Jupiter – Largest planet
B. Saturn – Has rings
Answer: A → Largest planet, B → Has rings.

Fill in the blank:
_________ is Earth’s natural satellite.
Answer: The Moon.

True or False:
Comets are made up of dust, rocks and ice.
Answer: True.

SET 3 – Class Test Paper (20 Marks) – Chapter 12 – Beyond Earth

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. What is the Sun?
  2. Name the constellation represented as a hunter.
  3. What is the distance between the Sun and Earth called?
  4. What is a galaxy?
  5. Name the nearest star to Earth after the Sun.

Section B: Short Answer (2×4 = 8 marks)

  1. Why does the Pole Star appear stationary?
  2. What is meant by light pollution?
  3. What is a comet? How does its tail form?
  4. Write two differences between stars and planets.

Section C: Long Answer (4 marks)

  1. Describe the Solar System. List its main components and their characteristics.
    (Write 5–6 sentences)

Section D: Objective (1×3 = 3 marks)

  1. Fill in the blank:
    The movement of Earth around the Sun is called _________.
  2. True or False:
    All planets twinkle like stars.
  3. Match the following:
    A. Uranus – i. Blue Planet
    B. Earth – ii. Tilted planet

ANSWERS: SET 3 – Class Test Paper

Chapter: Beyond Earth

Section A: Very Short Answer

  1. What is the Sun?
    Answer: The Sun is a star and the main source of light and heat for Earth.
  2. Name the constellation represented as a hunter.
    Answer: Orion.
  3. What is the distance between the Sun and Earth called?
    Answer: Astronomical Unit (AU).
  4. What is a galaxy?
    Answer: A galaxy is a huge system of millions or billions of stars, dust, and gas.
  5. Name the nearest star to Earth after the Sun.
    Answer: Proxima Centauri.

Section B: Short Answer

  1. Why does the Pole Star appear stationary?
    Answer: Because it lies very close to the Earth’s axis of rotation.
  2. What is meant by light pollution?
    Answer: Light pollution is excessive artificial light that makes stars difficult to observe.
  3. What is a comet? How does its tail form?
    Answer: A comet is a celestial body of ice and dust. Its tail forms when sunlight heats it and releases gases and dust.
  4. Write two differences between stars and planets.
    Answer: Stars emit light; planets reflect light. Stars twinkle; planets do not.

Section C: Long Answer

  1. Describe the Solar System. List its main components and their characteristics.
    Answer: The Solar System includes the Sun at the centre and eight planets revolving around it. It also contains moons, asteroids, comets, and dwarf planets. The Sun provides light and heat. Inner planets are rocky, while outer ones are gas giants. All planets revolve in fixed orbits.

Section D: Objective

Match the following:
A. Uranus – Tilted planet
B. Earth – Blue Planet
Answer: A → Tilted planet, B → Blue Planet.

Fill in the blank:
The movement of Earth around the Sun is called _________.
Answer: revolution.

True or False:
All planets twinkle like stars.
Answer: False.

SET 4 – Class Test Paper (20 Marks) – Chapter 12 – Beyond Earth

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. Name the star that appears fixed in the night sky.
  2. What are craters?
  3. What instrument helps us view distant objects in the sky?
  4. What are moons?
  5. How many constellations are officially recognised?

Section B: Short Answer (2×4 = 8 marks)

  1. Why do stars seen in the sky appear to move?
  2. What is a dwarf planet? Give one example.
  3. What is the Milky Way Galaxy?
  4. Write two safety measures to follow during night sky watching.

Section C: Long Answer (4 marks)

  1. Write a detailed note on constellations — definition, formation, importance, and examples.
    (Write 5–6 sentences)

Section D: Objective (1×3 = 3 marks)

  1. Fill in the blank:
    The brightest star in the night sky is _________.
  2. True or False:
    The Moon has a thick atmosphere.
  3. Match the following:
    A. Pole Star – i. Ursa Minor
    B. Big Dipper – ii. Ursa Major

ANSWERS: SET 4 – Class Test Paper

Chapter: Beyond Earth

Section A: Very Short Answer

  1. Name the star that appears fixed in the night sky.
    Answer: Pole Star.
  2. What are craters?
    Answer: Deep pits found on the Moon’s surface.
  3. What instrument helps us view distant objects in the sky?
    Answer: Telescope.
  4. What are moons?
    Answer: Natural satellites of planets.
  5. How many constellations are officially recognised?
    Answer: 88.

Section B: Short Answer

  1. Why do stars seen in the sky appear to move?
    Answer: Because the Earth rotates on its axis.
  2. What is a dwarf planet? Give one example.
    Answer: A dwarf planet is a small celestial body that orbits the Sun but does not clear its orbit. Example: Pluto.
  3. What is the Milky Way Galaxy?
    Answer: The galaxy that contains our Solar System.
  4. Write two safety measures to follow during night sky watching.
    Answer: Avoid looking at strong light sources; choose a safe open area.

Section C: Long Answer

  1. Write a detailed note on constellations — definition, formation, importance, and examples.
    Answer: Constellations are groups of stars forming patterns in the sky. They have been identified for thousands of years. They help locate stars and directions. Some famous constellations include Ursa Major and Orion. They appear to move due to Earth’s rotation. Ancient travellers used them for navigation.

Section D: Objective

Match the following:
A. Pole Star – Ursa Minor
B. Big Dipper – Ursa Major
Answer: A → Ursa Minor, B → Ursa Major.

Fill in the blank:
The brightest star in the night sky is _________.
Answer: Sirius.

True or False:
The Moon has a thick atmosphere.
Answer: False.

SET 5 – Class Test Paper (20 Marks) – Chapter 12 – Beyond Earth

Chapter: Beyond Earth

Section A: Very Short Answer (1×5 = 5 marks)

  1. What causes stars to twinkle?
  2. Which planet is called the Morning Star?
  3. What is rotation?
  4. What is the asteroid belt?
  5. What is the Universe?

Section B: Short Answer (2×4 = 8 marks)

  1. Why are constellations helpful for travellers?
  2. Explain why more stars are visible from places like Ladakh.
  3. What is a telescope? How does it help sky watchers?
  4. What are comets? Mention one example.

Section C: Long Answer (4 marks)

  1. Describe the Moon’s surface, its motion around Earth, and India’s missions to study the Moon.
    (Write 5–6 sentences)

Section D: Objective (1×3 = 3 marks)

  1. Fill in the blank:
    The Earth is also called the _________ Planet.
  2. True or False:
    Venus is hotter than Mercury.
  3. Match the following:
    A. Neptune – i. Closest planet
    B. Mercury – ii. Farthest planet

ANSWERS: SET 5 – Class Test Paper

Chapter: Beyond Earth

Section A: Very Short Answer

  1. What causes stars to twinkle?
    Answer: Twinkling occurs because Earth’s atmosphere bends starlight.
  2. Which planet is called the Morning Star?
    Answer: Venus.
  3. What is rotation?
    Answer: Rotation is the spinning of Earth on its axis.
  4. What is the asteroid belt?
    Answer: The region between Mars and Jupiter containing many asteroids.
  5. What is the Universe?
    Answer: The Universe includes everything—stars, planets, galaxies, and all matter and energy.

Section B: Short Answer

  1. Why are constellations helpful for travellers?
    Answer: They help travellers find directions at night.
  2. Explain why more stars are visible from places like Ladakh.
    Answer: Because the air is clean and there is less light pollution.
  3. What is a telescope? How does it help sky watchers?
    Answer: A telescope magnifies distant objects and helps see stars and planets clearly.
  4. What are comets? Mention one example.
    Answer: Comets are icy celestial bodies with glowing tails. Example: Halley’s Comet.

Section C: Long Answer

  1. Describe the Moon’s surface, its motion around Earth, and India’s missions to study the Moon.
    Answer: The Moon has mountains, craters, and plains. It has no atmosphere or water. It takes about 27 days to revolve around Earth. The Moon reflects sunlight. India’s missions—Chandrayaan-1, 2, and 3—studied its surface, minerals, and landing capability.

Section D: Objective

Match the following:
A. Neptune – Farthest planet
B. Mercury – Closest planet
Answer: A → Farthest planet, B → Closest planet.

Fill in the blank:
The Earth is also called the _________ Planet.
Answer: Blue.

True or False:
Venus is hotter than Mercury.
Answer: True.

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