This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Stars And The Solar System > Class 8 Science Chapter 17 Stars And The Solar System – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 17 Stars And The Solar System Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nearly 3000 stars can be seen on a clear night with naked eyes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. All stars are formed from what? A) Nebula. B) Black holes. C) Fusion of 2 stars. D) Smaller stars. Show Answer Correct Answer: A) Nebula. 3. What is our home galaxy called? A) The Milky Way. B) The Andromeda Galaxy. C) The Solar System. D) The Orion Belt. Show Answer Correct Answer: A) The Milky Way. 4. Stars like the sun appear to move from east to west around the earth this means that Earth rotates from A) West to south. B) West to east. C) South to north. D) None of the above. Show Answer Correct Answer: B) West to east. 5. What is the earth's natural satellite A) Venus. B) Moon. C) Arya Bhat. D) Mars. Show Answer Correct Answer: B) Moon. 6. One year on mercury is ..... days.(the time taken to orbit the sun) A) 10. B) 99. C) 365. D) 88. Show Answer Correct Answer: D) 88. 7. Hottest planet in the solar system A) Mars. B) Saturn. C) Mercury. D) Venus. Show Answer Correct Answer: D) Venus. 8. When hydrogen nuclei fuse into helium nuclei A) Particles collide. B) The nuclei die. C) Particles neutralize. D) Energy is released. Show Answer Correct Answer: D) Energy is released. 9. Black holes are created ..... A) When a giant cloud of gas and dust collapses under its own gravity. B) When a massive star reaches the end of its life and implodes. C) When dust and gas condense to form asteroids which in coalesce further. D) None of the above. Show Answer Correct Answer: B) When a massive star reaches the end of its life and implodes. 10. What is a black hole? A) A dark cloud like layer that is found on Jupiter. B) A very dark asteroids that are found floating in space. C) Name of a rare constellation that appears once in a decade. D) A place in space where gravity pulls so much that even light can not get out. Show Answer Correct Answer: D) A place in space where gravity pulls so much that even light can not get out. 11. ..... appears as a bright head with a long tail. The tail grows in size as it approaches the sun. A) Planet. B) Comet. C) Meteor. D) ASTEROID. Show Answer Correct Answer: B) Comet. 12. What term is used for celestial bodies that revolve around the Sun in highly elliptical orbit? A) Comets. B) Asteroids. C) Meteors. D) Planets. Show Answer Correct Answer: A) Comets. 13. The moon is ..... km away from earth A) 150, 000 km. B) 384, 000 km. C) 600, 000. D) None. Show Answer Correct Answer: B) 384, 000 km. 14. 1 ..... are the patterns of stars in the sky. A) Constellations. B) Big Dipper. C) Moon phases. D) Solar system. Show Answer Correct Answer: A) Constellations. 15. Two stars have the same apparent magnitude as seen from Earth's surface. Star A is 33 light-years away. Star B is 346 light-years away. Which of the following claims is supported by the evidence? A) Star B is larger than star A. B) Star B is more luminous than star A. C) The stars have the same absolute magnitude. D) Star A has a smaller absolute magnitude. Show Answer Correct Answer: B) Star B is more luminous than star A. 16. The inner planets are. A) Mercury, Venus, Earth, Mars. B) Earth, Jupiter, Mars, Neptune. C) Mercury, Neptune, Moon, Sun. D) Jupiter, Saturn, Uranus, Neptune. Show Answer Correct Answer: A) Mercury, Venus, Earth, Mars. 17. This constellation has 7 stars and is sometimes called Pole Star Constellation. A) Orion. B) Ursa Major. C) Cassiopeia. D) The minor Ursa. Show Answer Correct Answer: D) The minor Ursa. 18. Choose the planet in our solar system that rotates on its side. A) Jupiter. B) Earth. C) Neptune. D) Uranus. Show Answer Correct Answer: D) Uranus. 19. Which of the following best explains the Big Bang Theory? A) Observations of how the universe was created. B) A guess as to how the universe was created. C) A law about how the universe was created. D) An explanation of how the universe was created. Show Answer Correct Answer: D) An explanation of how the universe was created. 20. Stars appears to move from A) North to south. B) West to east. C) East to west. D) South to north. Show Answer Correct Answer: C) East to west. 21. The time period between one full moon to the next full moon is slightly longer than how many days? A) 29. B) 365. C) 69. D) 28. Show Answer Correct Answer: A) 29. 22. Explain why we see different phases of the Moon from Earth. A) The Moon changes its shape. B) The Sun moves around the Moon. C) The Moon gives off its own light. D) The lit side of the Moon is not always facing Earth. Show Answer Correct Answer: D) The lit side of the Moon is not always facing Earth. 23. Which statement best describes the role of gravity and centripetal force in the motion of planets around the sun? A) Gravity provides the centripetal force that keeps planets in orbit. B) The sun's gravity causes planets to move forward in a straight line. C) A planet's orbit is the result of forward motion and unbalanced forces. D) Centripetal force is an unbalanced force causing planets to move in a circular path. Show Answer Correct Answer: A) Gravity provides the centripetal force that keeps planets in orbit. 24. [TRIVIA] What is the largest type (in terms of mass and brightness) of star in the universe that we know? A) Castor. B) Them. C) Uy exempted. D) Antares. Show Answer Correct Answer: C) Uy exempted. 25. How much days it take for a moon to orbit the earth. A) 27. B) 27.3. C) 365. D) None of the above. Show Answer Correct Answer: B) 27.3. 26. What holds together the gas, dust, and many stars in a galaxy? A) Electricity. B) Water. C) Magnetism. D) Gravity. Show Answer Correct Answer: D) Gravity. 27. Who is the first man to step on moon? A) Neil Armstrong. B) Albert Einstein. C) Kalpana Chawla. D) None of the above. Show Answer Correct Answer: A) Neil Armstrong. 28. What is the order of the planets in our Solar System starting from the Sun? A) Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus. B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. C) Earth, Mars, Venus, Mercury, Jupiter, Saturn, Uranus, Neptune. D) Venus, Mercury, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Show Answer Correct Answer: B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. 29. Time required by the earth to rotate one degree in its axis- A) 365 days. B) 1 year. C) 29 days. D) 4 minutes. Show Answer Correct Answer: D) 4 minutes. 30. ..... is fifth largest natural satellite in the entire solar system? A) Lo. B) Ganaymede. C) Mars. D) Moon. Show Answer Correct Answer: D) Moon. 31. Which planet is the hottest? A) Earth. B) Neptune. C) Mercury. D) Venus. Show Answer Correct Answer: D) Venus. 32. The four planets-Jupiter, Saturn, Uranus, and Neptune are classified as A) Gas giants. B) Terrestrial planets. C) Solar planets. D) The best planets. Show Answer Correct Answer: A) Gas giants. 33. Which is the Hottest and brightest planet in our solar system? A) Jupiter. B) Mars. C) Mercury. D) Earth. E) Venus. Show Answer Correct Answer: E) Venus. 34. The surface of the moon is ..... and ..... A) Hot, Replenish. B) Cold, Ice. C) Barren, Dusty. D) None of the above. Show Answer Correct Answer: C) Barren, Dusty. 35. How do galaxies contribute to the study of cosmology? A) Galaxies are types of clouds in the sky. B) Galaxies are musical instruments used in ancient times. C) Galaxies are underwater creatures found in the ocean. D) Galaxies are vast systems of stars, gas, dust, and dark matter held together by gravity. Show Answer Correct Answer: D) Galaxies are vast systems of stars, gas, dust, and dark matter held together by gravity. 36. Which of the following constellation form the shape of a sickle? A) Cassiopeia. B) Leo. C) Orion. D) Scorpius. Show Answer Correct Answer: B) Leo. 37. Why do we see different star patterns during different seasons? A) Because the Earth rotates on its axis. B) Because the stars move around the Sun. C) Because the Earth revolves around the Sun. D) Because the Moon blocks the stars. Show Answer Correct Answer: C) Because the Earth revolves around the Sun. 38. How much time Mars take to complete one revolution A) 207 days. B) 88 days. C) 687 days. D) None of the above. Show Answer Correct Answer: C) 687 days. 39. The star which appears stationary from the earth A) Alpha Centauri. B) Shooting Stars. C) Sirius. D) Pole star. Show Answer Correct Answer: D) Pole star. 40. The direction of Polar star is in- A) South-East. B) North Pole. C) South Pole. D) East-West. Show Answer Correct Answer: B) North Pole. 41. Ravi was looking for Venus in the sky at midnight. Mohan laughed at him because Venus A) Appears 1-3 hours before sunrise or 1-3 hours after sunset. B) Appears 1-3 hours after sunrise or 1-3 hours after sunset. C) Appears 1-3 hours before sunrise or 1-3 hours before sunset. D) Appears 1-3 hours after sunrise or 1-3 hours before sunset. Show Answer Correct Answer: A) Appears 1-3 hours before sunrise or 1-3 hours after sunset. 42. Which of the following is a member of the solar system? A) A planet. B) An asteroid. C) A Satellite. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 43. Think about the order of planets starting with the one closest to the sun, and moving outward. What two planets can be found on either side of Earth? A) Venus and Mars. B) Mercury and Mars. C) Venus and Mercury. D) Mercury and Jupiter. Show Answer Correct Answer: A) Venus and Mars. 44. Which of the following is the largest planet? A) Saturn. B) Jupiter. C) Mars. D) Earth. Show Answer Correct Answer: B) Jupiter. 45. Which factor has the biggest impact on Earth's seasons? A) Earth's Reovolution. B) Earth's tilt on its axis. C) Earth's elliptical orbit. D) Earth's distance from the Sun. Show Answer Correct Answer: B) Earth's tilt on its axis. 46. Stars give off heat and light in a process called ..... A) Spectroscopy. B) Supernova. C) Luminosity. D) Nuclear fusion. Show Answer Correct Answer: D) Nuclear fusion. 47. What is an asteroid? A) A solid space object made of rock or metal that is irregularly shaped and revolves around a star. B) A ball of gas that gives off energy. C) A frozen ball of ice and dust. D) A planet that orbits the Sun. Show Answer Correct Answer: A) A solid space object made of rock or metal that is irregularly shaped and revolves around a star. 48. If standing on the surface of moon, we throw a ball upward, then the ball would A) Directly fall down from the point it is released. B) Hang in space. C) Go up and then come back to the surface of the moon. D) Keep going up never to come back. Show Answer Correct Answer: C) Go up and then come back to the surface of the moon. 49. If two stars are the same distance and size, but one appears brighter, what does this mean? A) The dimmer star is made of ice. B) The brighter star is giving off more light energy. C) The brighter star is a planet. D) The dimmer star is closer to Earth. Show Answer Correct Answer: B) The brighter star is giving off more light energy. 50. Open cluster of stars which becomes visible in winters A) Ceres. B) Pleiades. C) Orion. D) Leo. Show Answer Correct Answer: B) Pleiades. 51. Shooting stars are actually- A) Comets. B) Stars. C) Asteroids. D) Meteors. Show Answer Correct Answer: D) Meteors. 52. Which phase of the Moon occurs when the entire lit side of the Moon is facing Earth? A) Full Moon. B) New Moon. C) Quarter Moon. D) Crescent Moon. Show Answer Correct Answer: A) Full Moon. 53. 16 ..... is the first Indian satellite launched in ..... A) Aryabhatta, 1957. B) Galileo, 1982. C) Galileo, 1960. D) Aryabhatta, 1975. Show Answer Correct Answer: D) Aryabhatta, 1975. 54. Stars, moons, planets, and various other bodies in space are collectively called as- A) Universe. B) Galaxies. C) Milky way. D) Celestial bodies. Show Answer Correct Answer: D) Celestial bodies. 55. The orbital period of Halley's Comet is- A) 81 years. B) 42 years. C) 76 years. D) 69 years. Show Answer Correct Answer: C) 76 years. 56. How long does it take for the moon to transit from one full moon to the other? A) 21 days. B) 29 days. C) 27 days. D) 30 days. Show Answer Correct Answer: B) 29 days. 57. Which of the following is a characteristic shared by all planets? A) They revolve around a moon. B) They are round (spherical). C) They do not rotate. D) They are made of ice. Show Answer Correct Answer: B) They are round (spherical). 58. Stars consist of mostly A) Nitrogen gas. B) Oxygen gas. C) Argon gas. D) Hydrogen gas. Show Answer Correct Answer: D) Hydrogen gas. 59. In which area of the sun does gas rise as it heats up, then fall back down as it cools? A) The core. B) The radiation zone. C) The corona. D) The convection zone. Show Answer Correct Answer: D) The convection zone. 60. The life cycles of stars are determined by their: A) Luminosity. B) Mass (size). C) Distance from Earth. D) Color. Show Answer Correct Answer: B) Mass (size). ← PreviousNext →Related QuizzesScience QuizzesClass 8 QuizzesClass 8 Science Chapter 17 Stars And The Solar System Quiz 1Class 8 Science Chapter 17 Stars And The Solar System Quiz 2Class 8 Science Chapter 17 Stars And The Solar System Quiz 3Class 8 Science Chapter 17 Stars And The Solar System Quiz 5Class 8 Science Chapter 17 Stars And The Solar System Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books