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Stars and the Solar System Class 8 Worksheet Science

Q.1. Which planet is the biggest planet in the solar system?

Q.2. Name the constellation which appears to have the shape of a distorted W or M.

Q.3. Why does Pole Star appear to be stationary in the sky?

Q.4. What are inner planets?

Q.5. Do all the stars in the sky move? Explain.

Q.6. Why is it difficult to observe the planet Mercury?

Q.7. Explain how you can locate the Sirius Star with the help of Orion.

Q.8. What is the smallest planet in the solar system?

Q.9. Which member of the Solar System appears in the sky like a bright ball of light with a long glowing tail?

Q.10. Which is the star nearest to the Earth?

Q.11. What are uses of artificial satellites?

Q.12. Why does the Moon shine?

Q.13. What is meant by the phases of the Moon? Why phases of the moon occur?

Q.14. Differentiate between artificial satellites and natural satellites.

Q.15. Which is the nearest planet to the Sun? 

You can access the solutions to this worksheet here.

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FAQs on Stars and the Solar System Class 8 Worksheet Science

1. What are the main differences between stars and planets in the solar system?
Ans. Stars are massive celestial bodies that generate their own light and heat through nuclear fusion, while planets are smaller and do not produce light but reflect the light of stars. In our solar system, the Sun is the only star, and it provides the necessary energy for planets like Earth to sustain life.
2. How do stars form in the universe?
Ans. Stars form from clouds of gas and dust in space, known as nebulae. Under the influence of gravity, these materials clump together and begin to collapse, increasing in temperature and pressure until nuclear fusion occurs, marking the birth of a star.
3. What is the significance of the solar system's planets in understanding the universe?
Ans. The planets in our solar system provide valuable insights into the formation and evolution of planetary systems. Studying their atmospheres, geology, and potential for life helps scientists understand the conditions that may exist on other planets beyond our solar system.
4. How do astronomers classify different types of stars?
Ans. Astronomers classify stars based on their temperature, size, luminosity, and spectral characteristics. The main categories include main sequence stars, giants, supergiants, and white dwarfs. The Hertzsprung-Russell diagram is often used to visualize these classifications.
5. What are some of the largest stars known in the universe?
Ans. Some of the largest stars known include UY Scuti, VY Canis Majoris, and Betelgeuse. These stars are classified as red supergiants and are significantly larger than our Sun, with diameters that can be hundreds of times greater.
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