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All questions of Beyond Earth for Class 6 Exam
What are asteroids?- a)Icy objects with tails
- b)Small rocky objects orbiting the Sun
- c)Satellites of Jupiter
- d)Shooting stars
Correct answer is option 'B'. Can you explain this answer?
What are asteroids?
a)
Icy objects with tails
b)
Small rocky objects orbiting the Sun
c)
Satellites of Jupiter
d)
Shooting stars
|
Coders Trust answered |
Asteroids are rocky objects, mostly found in the asteroid belt between Mars and Jupiter. They are smaller than planets and irregular in shape.
What is the closest star to Earth?- a)Sirius
- b)Polaris
- c)The Sun
- d)Alpha Centauri
Correct answer is option 'C'. Can you explain this answer?
What is the closest star to Earth?
a)
Sirius
b)
Polaris
c)
The Sun
d)
Alpha Centauri
|
Shivam Chakraborty answered |
Closest Star to Earth
The closest star to Earth is often a topic of curiosity. While many stars can be seen in the night sky, the one closest to us is not what most might think.
Correct Answer: The Sun
- The Sun is the star at the center of our solar system and is approximately 93 million miles (about 150 million kilometers) away from Earth.
- It is vital for life on Earth, providing light and heat.
Misconceptions About Other Options
- Sirius:
- Known as the "Dog Star," Sirius is the brightest star in the night sky.
- It is about 8.6 light-years away from Earth, making it much farther than the Sun.
- Polaris:
- Also known as the North Star, Polaris is used for navigation.
- It is located around 433 light-years away, significantly more distant than the Sun.
- Alpha Centauri:
- This is a star system that includes Proxima Centauri, the closest known star to the Sun.
- Proxima Centauri is about 4.24 light-years away, but it is still not as close as the Sun.
Conclusion
In conclusion, while stars like Sirius, Polaris, and Alpha Centauri are interesting, the closest star to Earth is undoubtedly the Sun. Understanding our solar system helps us appreciate the importance of the Sun for life and our planet's ecosystem.
The closest star to Earth is often a topic of curiosity. While many stars can be seen in the night sky, the one closest to us is not what most might think.
Correct Answer: The Sun
- The Sun is the star at the center of our solar system and is approximately 93 million miles (about 150 million kilometers) away from Earth.
- It is vital for life on Earth, providing light and heat.
Misconceptions About Other Options
- Sirius:
- Known as the "Dog Star," Sirius is the brightest star in the night sky.
- It is about 8.6 light-years away from Earth, making it much farther than the Sun.
- Polaris:
- Also known as the North Star, Polaris is used for navigation.
- It is located around 433 light-years away, significantly more distant than the Sun.
- Alpha Centauri:
- This is a star system that includes Proxima Centauri, the closest known star to the Sun.
- Proxima Centauri is about 4.24 light-years away, but it is still not as close as the Sun.
Conclusion
In conclusion, while stars like Sirius, Polaris, and Alpha Centauri are interesting, the closest star to Earth is undoubtedly the Sun. Understanding our solar system helps us appreciate the importance of the Sun for life and our planet's ecosystem.
Which planet is known as the Red Planet?- a)Mercury
- b)Venus
- c)Earth
- d)Mars
Correct answer is option 'D'. Can you explain this answer?
Which planet is known as the Red Planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
|
|
Coders Trust answered |
Mars is reddish because of iron-rich dust in its soil, so it’s called the Red Planet.
Why does the Sun look bigger than other stars?- a)Because it is the largest star in the universe
- b)Because it is closer to Earth than other stars
- c)Because it shines the brightest in the galaxy
- d)Because it has rings
Correct answer is option 'B'. Can you explain this answer?
Why does the Sun look bigger than other stars?
a)
Because it is the largest star in the universe
b)
Because it is closer to Earth than other stars
c)
Because it shines the brightest in the galaxy
d)
Because it has rings
|
|
Coders Trust answered |
The Sun looks big and bright because it is much closer to Earth than other stars. In reality, many stars are bigger, but distance makes them look tiny.
How many official constellations are recognised by the International Astronomical Union (IAU)?- a)12
- b)50
- c)88
- d)100
Correct answer is option 'C'. Can you explain this answer?
How many official constellations are recognised by the International Astronomical Union (IAU)?
a)
12
b)
50
c)
88
d)
100
|
|
Coders Trust answered |
To organise the sky systematically, the IAU divided it into 88 official constellations. Each constellation marks a region of the sky.
What creates the bright tail of a comet?- a)Reflection of sunlight by rocks
- b)Heat from the Sun causing ice and gas to evaporate
- c)Collisions with asteroids
- d)Magnetic fields
Correct answer is option 'B'. Can you explain this answer?
What creates the bright tail of a comet?
a)
Reflection of sunlight by rocks
b)
Heat from the Sun causing ice and gas to evaporate
c)
Collisions with asteroids
d)
Magnetic fields
|
|
Coders Trust answered |
Comets are made of ice, dust, and gas. When they come near the Sun, heat makes ice evaporate, creating a glowing tail.
What causes light pollution?- a)Too many stars
- b)Too much artificial light at night
- c)The Moon’s brightness
- d)The Milky Way
Correct answer is option 'B'. Can you explain this answer?
What causes light pollution?
a)
Too many stars
b)
Too much artificial light at night
c)
The Moon’s brightness
d)
The Milky Way
|
|
Coders Trust answered |
Streetlights, city lights, and artificial lighting brighten the sky and hide the stars. This is called light pollution and is common in big cities.
Which planet is called the Blue Planet?- a)Neptune
- b)Earth
- c)Jupiter
- d)Uranus
Correct answer is option 'B'. Can you explain this answer?
Which planet is called the Blue Planet?
a)
Neptune
b)
Earth
c)
Jupiter
d)
Uranus
|
|
Coders Trust answered |
Earth looks blue from space because 70% of its surface is covered by water.
What is the Milky Way Galaxy?- a)A group of planets around the Sun
- b)A band of clouds in the sky
- c)The galaxy containing our Solar System
- d)The closest star to Earth
Correct answer is option 'C'. Can you explain this answer?
What is the Milky Way Galaxy?
a)
A group of planets around the Sun
b)
A band of clouds in the sky
c)
The galaxy containing our Solar System
d)
The closest star to Earth
|
|
Coders Trust answered |
The Milky Way is our home galaxy. It contains billions of stars, including our Sun and Solar System. From Earth, it looks like a faint band of light in the night sky.
What makes the Pole Star (Polaris) special?- a)It is the brightest star in the universe
- b)It always points towards the North
- c)It changes position every night
- d)It is closer than the Sun
Correct answer is option 'B'. Can you explain this answer?
What makes the Pole Star (Polaris) special?
a)
It is the brightest star in the universe
b)
It always points towards the North
c)
It changes position every night
d)
It is closer than the Sun
|
|
Coders Trust answered |
The Pole Star (Dhruva Tara) is fixed above the Earth’s axis and always points North. That’s why travellers and sailors used it to find direction.
Which planets are mainly made of gas and have rings around them?- a)Mercury, Venus, Earth, Mars
- b)Jupiter, Saturn, Uranus, Neptune
- c)Earth, Jupiter, Mars, Venus
- d)Saturn, Uranus, Mars, Mercury
Correct answer is option 'B'. Can you explain this answer?
Which planets are mainly made of gas and have rings around them?
a)
Mercury, Venus, Earth, Mars
b)
Jupiter, Saturn, Uranus, Neptune
c)
Earth, Jupiter, Mars, Venus
d)
Saturn, Uranus, Mars, Mercury
|
|
Coders Trust answered |
The outer planets are gas giants. They are much larger and have rings made of dust and rocks.
In ancient times, what did sailors use stars for?- a)To measure time
- b)To predict rainfall
- c)To navigate their way
- d)To communicate messages
Correct answer is option 'C'. Can you explain this answer?
In ancient times, what did sailors use stars for?
a)
To measure time
b)
To predict rainfall
c)
To navigate their way
d)
To communicate messages
|
|
Coders Trust answered |
Before compasses and GPS, sailors used stars like the Pole Star and constellations for navigation to find direction during long journeys on land and sea.
Which app can help identify stars and constellations using a phone?- a)Sky Map
- b)Photoshop
- c)Excel
- d)WhatsApp
Correct answer is option 'A'. Can you explain this answer?
Which app can help identify stars and constellations using a phone?
a)
Sky Map
b)
Photoshop
c)
Excel
d)
WhatsApp
|
|
Coders Trust answered |
Apps like Sky Map and Stellarium help people locate constellations and planets in real time by pointing their phone towards the sky.
What is the average distance between the Earth and the Sun?- a)15 million km
- b)150 million km
- c)1 million km
- d)300 million km
Correct answer is option 'B'. Can you explain this answer?
What is the average distance between the Earth and the Sun?
a)
15 million km
b)
150 million km
c)
1 million km
d)
300 million km
|
|
Coders Trust answered |
Earth is about 150 million kilometres from the Sun. Scientists call this distance 1 Astronomical Unit (AU).
Which planet is called the Morning Star or Evening Star?- a)Mars
- b)Venus
- c)Mercury
- d)Jupiter
Correct answer is option 'B'. Can you explain this answer?
Which planet is called the Morning Star or Evening Star?
a)
Mars
b)
Venus
c)
Mercury
d)
Jupiter
|
|
Coders Trust answered |
Venus shines brightly at dawn or dusk, making it visible as the "Morning Star" or "Evening Star," even though it is a planet.
What is a dark sky reserve?- a)A place with no stars
- b)An area where light pollution is controlled for stargazing
- c)A laboratory for studying comets
- d)A region with no electricity
Correct answer is option 'B'. Can you explain this answer?
What is a dark sky reserve?
a)
A place with no stars
b)
An area where light pollution is controlled for stargazing
c)
A laboratory for studying comets
d)
A region with no electricity
|
|
Coders Trust answered |
Dark sky reserves are special areas where artificial lighting is reduced so that people can enjoy stargazing and scientists can study the night sky better.
Which constellation is known for having three stars in a row called Orion’s Belt?- a)Ursa Minor
- b)Orion
- c)Taurus
- d)Canis Major
Correct answer is option 'B'. Can you explain this answer?
Which constellation is known for having three stars in a row called Orion’s Belt?
a)
Ursa Minor
b)
Orion
c)
Taurus
d)
Canis Major
|
|
Coders Trust answered |
Orion is a famous constellation that looks like a hunter. Its three stars in a straight line are called Orion’s Belt, easily visible in the night sky.
Why is Venus hotter than Mercury, even though it is farther from the Sun?- a)Because it is bigger
- b)Because its atmosphere traps heat
- c)Because it has more water
- d)Because it spins faster
Correct answer is option 'B'. Can you explain this answer?
Why is Venus hotter than Mercury, even though it is farther from the Sun?
a)
Because it is bigger
b)
Because its atmosphere traps heat
c)
Because it has more water
d)
Because it spins faster
|
|
Coders Trust answered |
Venus has a thick atmosphere full of carbon dioxide. This causes a greenhouse effect, trapping heat and making it hotter than Mercury.
What are constellations?- a)Planets that shine in the night sky
- b)Groups of stars forming recognizable patterns
- c)Small asteroids in space
- d)Artificial satellites
Correct answer is option 'B'. Can you explain this answer?
What are constellations?
a)
Planets that shine in the night sky
b)
Groups of stars forming recognizable patterns
c)
Small asteroids in space
d)
Artificial satellites
|
|
Coders Trust answered |
Constellations are groups of stars that appear to form shapes or patterns in the sky, like Orion (a hunter) or Ursa Major (the Big Dipper). People connected these stars with imaginary lines to make the patterns easier to recognise.
Why can people in places like Nubra, Ladakh, see so many stars clearly at night?- a)Because there are fewer mountains
- b)Because there is no pollution blocking the view
- c)Because the Sun is closer
- d)Because stars are brighter in Ladakh
Correct answer is option 'B'. Can you explain this answer?
Why can people in places like Nubra, Ladakh, see so many stars clearly at night?
a)
Because there are fewer mountains
b)
Because there is no pollution blocking the view
c)
Because the Sun is closer
d)
Because stars are brighter in Ladakh
|
|
Coders Trust answered |
In Ladakh, the air is clean, and there is little light pollution. This means artificial lights and smog don’t block the natural light from stars, making the night sky clearer and full of stars.
Chapter doubts & questions for Beyond Earth - Science Olympiad Class 6 2025 is part of Class 6 exam preparation. The chapters have been prepared according to the Class 6 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 6 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Science Olympiad Class 6
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