Imp Questions For All Chapters – General Science Class 6
The Universe
Short Questions
1. What is the name of our galaxy?
Answer : Milky Way
2. Which galaxy is closest to the Milky Way?
Answer : Andromeda
3. What is the Sun?
Answer : A star
4. Which is the biggest planet in the solar system?
Answer : Jupiter
5. Which planet is called the Red Planet?
Answer : Mars
6. Which is the brightest planet?
Answer : Venus
7. Which planet has rings around it?
Answer : Saturn
8. Which planet is known as the Stormy Planet?
Answer : Jupiter
9. What is the temperature of the Sun’s surface?
Answer : Around 6000°C
10. What is a comet made of?
Answer : Ice and dust
11. What are asteroids?
Answer : Small rocky bodies in space
12. Which planet has the highest number of satellites?
Answer : Jupiter
13. What is the name of Earth’s satellite?
Answer : Moon
14. What is the shape of the Milky Way?
Answer : Spiral
15. What is a dwarf planet?
Answer : A small celestial body that orbits the Sun
Long Questions
1. What is a galaxy?
Answer : A galaxy is a huge group of stars, planets, dust, and gases bound together by gravity. Our galaxy, the Milky Way, contains billions of stars.
2. How do comets get their tails?
Answer : Comets are made of ice and dust. When they come close to the Sun, the heat melts the ice, forming a glowing tail that points away from the Sun.
3. What is the difference between meteors and meteorites?
Answer : A meteor is a space rock that burns up in Earth’s atmosphere, creating a bright streak in the sky. If it reaches Earth’s surface without burning completely, it is called a meteorite.
4. Why is Venus the hottest planet?
Answer : Venus has a thick atmosphere of carbon dioxide that traps heat from the Sun, making it the hottest planet in the solar system, even hotter than Mercury.
5. What are the types of stars?
Answer : Stars are of different types:
- Sun-like stars (similar to our Sun, e.g., Sirius)
- Red Giants (large and bright, e.g., Betelgeuse)
- Supernova (very bright and large)
- Binary stars (two stars orbiting each other)
- Variable stars (change brightness over time)
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