Short Answer Questions: Earth and Solar System | EVS for Class 2 PDF Download

Q1. What is the solar system?
Ans: The solar system is a big family of planets, moons, asteroids, comets, and other objects that all orbit around the Sun.

Q2. What is the Sun and why is it important?
Ans: The Sun is the only star in our solar system. It gives us light and warmth, which are important for life on Earth.

Q3. How many planets revolve around the Sun? Can you name them?
Ans: There are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. They all move around the Sun.

Q4. Which planet is closest to the Sun?
Ans: Mercury is the closest planet to the Sun.

Mercury

Q5. Which planet is known as Earth’s twin and why?
Ans: Venus is called Earth’s twin because it is almost the same size as Earth.

Q6. Why is Venus called the hottest planet?
Ans: Even though Mercury is closest to the Sun, Venus is the hottest planet because of its thick atmosphere.

Q7. What is special about Earth?
Ans: Earth is our home and the only planet we know where life exists.

Q8. Why is Mars called the Red Planet?
Ans: Mars is called the Red Planet because it looks red due to the dust and rocks on its surface.

Q9. Which is the largest planet in the solar system?
Ans: Jupiter is the largest planet and is so big that all other planets could fit inside it.

Jupiter

Q10. What is special about Saturn?
Ans: Saturn is known for its beautiful rings around the planet.

Q11. Which planet is the coldest?
Ans: Uranus is the coldest planet in the solar system.

Q12. Which planet is the farthest from the Sun?
Ans: Neptune is the farthest planet from the Sun.

Q13. What is the Moon?
Ans: The Moon is Earth’s natural satellite that moves around Earth and does not have its own light.
Moon

Q14. What are inner and outer planets?
Ans: Inner planets (Mercury, Venus, Earth, Mars) are closer to the Sun, while outer planets (Jupiter, Saturn, Uranus, Neptune) are farther away.

Q15. What is the rotation of the Earth?
Ans: Rotation is when the Earth spins around its own axis and it takes 24 hours for one full spin, which makes day and night.

Rotation and Revolution of Earth

Q16. What is the revolution of the Earth?
Ans: Revolution is when the Earth moves around the Sun. It takes about 365 days for the Earth to complete one full revolution, which makes one year.

Q17. What are gas giants?
Ans: Gas giants like Jupiter and Saturn are huge planets made mostly of gases and do not have solid surfaces.

Q18. Where is our solar system located?
Ans: Our solar system is located in the Milky Way galaxy, which has many stars including the Sun.

Q19. What interesting thing have scientists found on Mars?
Ans: Scientists have found evidence of water in the form of ice on Mars.

Q20. What are comets?
Ans: Comets are icy remains from the early days of the solar system, made of ice and dust.