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MCQ & Extra Questions: Beyond Earth | Science Class 6 PDF Download

Extra Questions 

Q1: What is the primary purpose of constellations in modern astronomy?

In modern astronomy, constellations help in identifying and locating stars and other celestial objects.

Q2: What is a galaxy?

A galaxy is a large system of stars, gas, and dust bound together by gravity.

Q3: What do we call the pattern formed by a group of stars in the night sky?

Constellation.

Question for MCQ & Extra Questions: Beyond Earth
Try yourself:Q4: Which planet is often referred to as Earth’s twin because of its similar size and proximity?
View Solution

Q5: How many planets are there in our Solar System?

Eight.MCQ & Extra Questions: Beyond Earth | Science Class 6

Q6: Why is Venus known as the Evening Star or the Morning Star?

Venus is called the Evening Star or the Morning Star because it is often visible at dawn or dusk, shining brightly either in the western sky after sunset or in the eastern sky before sunrise.

Q7: Explain why the Pole Star is important for navigation.

The Pole Star is important for navigation because it remains nearly stationary in the sky, indicating the direction of true north. This made it a reliable point of reference for travelers and sailors before the advent of modern navigation tools.

Q8: What is the significance of the Milky Way Galaxy in our understanding of the universe?

The Milky Way Galaxy is significant because it is our home galaxy, containing our Solar System. Studying the Milky Way helps us understand the structure, formation, and evolution of galaxies, as well as the place of our Solar System within the universe.MCQ & Extra Questions: Beyond Earth | Science Class 6

Q9: How do comets differ from asteroids?

Comets are composed of ice, dust, and rocky material and often have a visible coma or tail when they come close to the Sun. Asteroids, on the other hand, are made mostly of rock and metal and do not develop tails.

Q10: Describe the importance of the Sun in the Solar System.

The Sun is crucial in the Solar System as it is the primary source of energy, providing the heat and light necessary for life on Earth. It also governs the orbits of the planets and other objects through its gravitational pull. 

Multiple Choice Questions 

Q1: What is the primary component of a comet's nucleus?
a)  Rock
b) Metal
c) Ice and Dust
d) Gas
Ans: c) Ice and Dust

The primary component of a comet's nucleus is ice and dust. Comets are made up of frozen gases mixed with dust and rocky material. When they approach the Sun, the ice vaporizes, forming a glowing coma and tail.

Q2: Which constellation is known as the hunter?
a) Ursa Major
b) Orion
c) Cassiopeia
d) Canis Major
Ans: b) Orion

Orion is known as the hunter, with its three prominent stars forming the belt of the hunter.

Q3: Which star is the brightest in the night sky?
a) Betelgeuse
b) Pole Star
c) Sirius
d) Alpha Centauri
Ans: c) Sirius

Sirius, located in the constellation Canis Major, is the brightest star visible in the night sky.MCQ & Extra Questions: Beyond Earth | Science Class 6

Q4: What do we call the group of objects including the Sun, planets, moons, asteroids, and comets?
a) Milky Way
b) Solar System
c) Galaxy
d) Universe
Ans: b) Solar System

The Solar System consists of the Sun, its eight planets, their moons, and various smaller objects like asteroids and comets.

Q5: Which planet is closest to the Sun?
a) Venus
b) Earth
c) Mercury
d) Mars
Ans: c) Mercury

Mercury is the closest planet to the Sun and has the shortest orbit among all the planets in the Solar System.

Q6: Which constellation contains the Pleiades star cluster?
a) Orion
b) Taurus
c) Ursa Major
d) Cassiopeia
Ans: b) Taurus

The Pleiades star cluster is located within the constellation Taurus. This cluster is often referred to as the "Seven Sisters" and is one of the most visible star clusters in the night sky, making it a prominent feature of Taurus.

Question for MCQ & Extra Questions: Beyond Earth
Try yourself:Q7: Which planet is known as the "Red Planet"?
View Solution

Q8: Which term is used for objects like Pluto that are smaller than planets and lie beyond Neptune?
a) Moons
b) Satellites
c) Asteroids
d) Dwarf Planets
Ans: d) Dwarf Planets

Pluto and similar objects that are smaller than planets and lie beyond Neptune are classified as dwarf planets according to the redefined requirements by the International Astronomical Union (IAU) in 2006.

Q9: What is the name of Earth’s natural satellite?
a) Mars
b) Sun
c) Moon
d) Pluto
Ans: c) Moon

The Moon is Earth's only natural satellite, orbiting our planet and affecting tides and other natural phenomena.

Q10: Which constellation contains the Big Dipper?
a) Ursa Major
b) Orion
c) Ursa Minor
d) Cassiopeia
Ans: a) Ursa Major

The Big Dipper is a part of the constellation Ursa Major, also known as the Great Bear.MCQ & Extra Questions: Beyond Earth | Science Class 6

The document MCQ & Extra Questions: Beyond Earth | Science Class 6 is a part of the Class 6 Course Science Class 6.
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FAQs on MCQ & Extra Questions: Beyond Earth - Science Class 6

1. What are some potential benefits of exploring and colonizing planets beyond Earth?
Ans. Exploring and colonizing planets beyond Earth could potentially lead to the discovery of new resources, provide a backup habitat for humanity in case of global disasters, and advance scientific knowledge about the universe.
2. How do scientists plan to overcome the challenges of living on other planets?
Ans. Scientists are researching technologies such as advanced life support systems, sustainable food production methods, and radiation shielding to overcome the challenges of living on other planets.
3. What are some of the potential risks associated with colonizing other planets?
Ans. Potential risks of colonizing other planets include exposure to high levels of radiation, psychological challenges of living in isolation, and the ethical implications of terraforming or altering the environment of another planet.
4. How do space agencies prepare astronauts for long-duration space missions to other planets?
Ans. Space agencies conduct rigorous training programs to prepare astronauts for long-duration space missions, including simulations of life on other planets, physical and psychological health assessments, and team-building exercises.
5. How can the general public contribute to the exploration and colonization of planets beyond Earth?
Ans. The general public can support space exploration efforts through advocacy, education, and participation in citizen science projects. Additionally, individuals can promote sustainability and ethical considerations in space exploration initiatives.
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