This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Solar System – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Which of the following is the MAJOR source of heat and energy for Earth? A) A moon. B) A planet. C) A star called the Sun. D) A comet. Show Answer Correct Answer: C) A star called the Sun. 3. When the Moon has completed one quarter of its orbit around the Earth, the Moon appears to be a half circle. This phase is called the A) Quarter moon. B) Gibbous moon. C) Full moon. D) Crescent moon. Show Answer Correct Answer: A) Quarter moon. 4. To turn or spin on an axis means to A) Revolve. B) Rotate. C) Phase. D) Eclipse. Show Answer Correct Answer: B) Rotate. 5. The number of planets in our solar system A) 8. B) 9. C) 6. D) 7. Show Answer Correct Answer: A) 8. 6. Choose the smallest planet in our solar system. A) Europa. B) Mercury. C) Venus. D) Earth. Show Answer Correct Answer: B) Mercury. 7. How does changing the mass of objects affect the force of gravity? A) Mass will not affect gravity. B) Decreasing mass will increase gravity. C) Increasing mass increases gravity. D) Increasing mass will decrease gravity. Show Answer Correct Answer: C) Increasing mass increases gravity. 8. What is the first planet from the sun? A) Mercury. B) Saturn. C) Neptune. D) Venus. Show Answer Correct Answer: A) Mercury. 9. What is our solar system made up of? A) Stars. B) Space gunk. C) Planets, moons, and other bodies that go around the sun. D) A sun and stars. Show Answer Correct Answer: C) Planets, moons, and other bodies that go around the sun. 10. What do we call Jupiter, Saturn, Uranus and Neptune? A) Oort Cloud. B) Terrestrial Planets. C) Outer Planets. D) Inner Planets. Show Answer Correct Answer: C) Outer Planets. 11. Which theory explains the origin of our universe? A) The Big Van. B) The Big Crunch. C) The Big Rip. D) The Big Bang. Show Answer Correct Answer: D) The Big Bang. 12. The scientific law that states that every object in the universe attracts every other object A) Law of universal gravitation. B) Solar system law. C) Astronomical unit. D) Kepler's law. Show Answer Correct Answer: A) Law of universal gravitation. 13. The earth centered view of the universe A) Galaxy. B) Astonomy. C) Geocentric. D) Heliocentric. Show Answer Correct Answer: C) Geocentric. 14. The imaginary line that goes through the center of a planet; it rotates on A) Axis. B) Sun. C) Asteroid. D) Orbit. Show Answer Correct Answer: A) Axis. 15. Which planet is now characterized as a dwarf planet? A) Coca-cola. B) Miss Best. C) Pluto. D) Neptune. Show Answer Correct Answer: C) Pluto. 16. Earth has seasons because ..... A) Its axis is tilted. B) Revolves around Saturn. C) The sun revolves around Earth. D) None of above. Show Answer Correct Answer: A) Its axis is tilted. 17. ..... axis of rotation is nearly parallel to the plane of its orbit. A) Uranus'. B) Mars'. C) Mercury's. D) Earth's. Show Answer Correct Answer: A) Uranus'. 18. Earth is part of the ..... A) Milky Way. B) Asteroid Belt. C) Kuiper Belt. D) Oort Cloud. Show Answer Correct Answer: A) Milky Way. 19. Which list shows the correct order of planets from the sun? A) Uranus, Jupiter, Neptune, Saturn. B) Earth, Mars, Venus, Jupiter. C) Mars, Venus, Earth, Saturn. D) Mercury, Venus, Earth, Mars. Show Answer Correct Answer: D) Mercury, Venus, Earth, Mars. 20. Galileo approached questions in a fashion that is now known as what? A) Earth science. B) Scientific law. C) Scientific theory. D) Scientific method. Show Answer Correct Answer: D) Scientific method. 21. This planet has a Great Red Spot ..... A) Earth. B) Jupiter. C) Neptune. D) Saturn. Show Answer Correct Answer: B) Jupiter. 22. A chunk of rock that burns up upon entering a planet's atmosphere A) Meteor. B) Comet. C) Asteroid. D) Meteoroid. Show Answer Correct Answer: A) Meteor. 23. The sun produces large amounts of energy. By what process does the sun produce energy? A) Electromagnetic radiation. B) Nuclear fusion. C) Convection. D) Radiation. Show Answer Correct Answer: B) Nuclear fusion. 24. Which is made primarily of pieces of rock or iron that enter and burn in the Earth's atmosphere producing a streak of light? A) Comets. B) Meteor. C) Solar flares. D) Asteroid. Show Answer Correct Answer: B) Meteor. 25. The sun and everything that revolves around it. A) Galaxy. B) Solar system. C) Rotation. D) Universe. Show Answer Correct Answer: B) Solar system. 26. What is the fifth planet away from the sun? A) Pluto. B) Mars. C) Saturn. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 27. How did the Milky Way Galaxy form? A) Cloud of gas and dust. B) Black hole birth. C) Supernova Explosion. D) Earth Collided with Sun. Show Answer Correct Answer: A) Cloud of gas and dust. 28. How many galaxies are there? A) Millions. B) One. C) Billions. D) Two. Show Answer Correct Answer: C) Billions. 29. Jupiter, Saturn, Uranus, and Neptune are what type of planets? A) Exterior Planets. B) Terrestrial Planets. C) Gas Giants. D) Ice Giants. Show Answer Correct Answer: C) Gas Giants. 30. Rank the colors of stars from hottest to coolest. A) Blue, white, yellow, orange/red, red. B) Red, orange/red, white, yellow, blue. C) Red, orange/red, yellow, white, blue. D) Blue, yellow, white, orange/red, red. Show Answer Correct Answer: A) Blue, white, yellow, orange/red, red. 31. How does changing the distance between objects affect the force of gravity? A) Decreasing distance increases gravity. B) Increasing distance increases gravity. C) Distance does not affect gravity. D) None of above. Show Answer Correct Answer: A) Decreasing distance increases gravity. 32. Which of the following data can help someone to infer the size of a planet? A) Its surface temperature in degrees. B) How far it is from the Sun in km. C) How many moons it can capture due to its pull of gravity. D) Its surface geography. Show Answer Correct Answer: C) How many moons it can capture due to its pull of gravity. 33. The ancient Greek who proposed a geocentric model of the universe is A) Galileo. B) Ptolomy. C) Copernicus. D) Kepler. Show Answer Correct Answer: B) Ptolomy. 34. The path that Earth takes around the sun is called its A) Orbit. B) Axis. C) Rotation. D) Revolution. Show Answer Correct Answer: A) Orbit. 35. How would the gravitational force between the Earth and the Moon change if the Moon was twice as far away? A) The force would decrease. B) The force would be the same. C) The force would disappear. D) The force would increase. Show Answer Correct Answer: A) The force would decrease. 36. Which planet has only known life forms A) Earth. B) Mars. C) Saturn. D) Uranus. Show Answer Correct Answer: A) Earth. 37. I am the eighth planet from the Sun. I am the farthest from the Sun. My twin brother is Uranus. A) Jupiter. B) Neptune. C) Uranus. D) Mars. Show Answer Correct Answer: B) Neptune. 38. Pieces of rock and dust in space that are smaller than asteroids (they can be made of rock, metal, or both) A) Meteorites. B) Meteors. C) Meteoroids. D) Asteroids. Show Answer Correct Answer: C) Meteoroids. 39. Which is NOT part of our solar system? A) The moons around Jupiter. B) Asteroids and meteoroids. C) Comets. D) Stars that are not the Sun. Show Answer Correct Answer: D) Stars that are not the Sun. 40. The orbital motions of the objects in the solar system are the direct result of which of the following features of the Sun? A) Its gravitational pull. B) Its magnetic field. C) Its chemical composition. D) Its brightness. Show Answer Correct Answer: A) Its gravitational pull. 41. How many planets orbit the Sun in our solar system? A) 5. B) 8. C) 6. D) 7. Show Answer Correct Answer: B) 8. 42. A group of solar systems that are held together by gravity and classified by shape is called a(n) A) Asteroid. B) Solar eclipse. C) Galaxy. D) Star. Show Answer Correct Answer: C) Galaxy. 43. Without gravity, what would be the shape of the solar system? A) Planets would revolve in perfect circles. B) Much different than it is now. C) Planets' orbits would cross. D) All planets would be in the same orbit. Show Answer Correct Answer: B) Much different than it is now. 44. What are the terrestrial planets? A) Mercury, Venus, Earth, Mars. B) Mercury, Earth, Mars, Neptune. C) Jupiter, Saturn, Earth, Neptune. D) Jupiter, Saturn, Uranus, Neptune. Show Answer Correct Answer: A) Mercury, Venus, Earth, Mars. 45. Earth completes one full ..... on its axis every 24 hours. A) Resolution. B) Revolution. C) Rotation. D) Reservation. Show Answer Correct Answer: C) Rotation. 46. What is the nickname of Mercury, Venus, Earth, and Mars? A) Rock stars. B) First four. C) Final four. D) Rocky planets. Show Answer Correct Answer: D) Rocky planets. 47. Primarily why was differentiation possible on Early Earth but not today? A) Old rocks floated. B) Molten state (Earth was melted). C) Different laws of physics. D) Change in the size of the Earth. Show Answer Correct Answer: B) Molten state (Earth was melted). 48. The bright streak of light that we call a shooting star is actually A) A meteoroid going through radioactive decay. B) A meteoroid disturbing Earth's magnetic field. C) A meteoroid reflecting the Sun's rays to Earth. D) A meteoroid entering the atmosphere and burning up. Show Answer Correct Answer: D) A meteoroid entering the atmosphere and burning up. 49. Which is the warmest planet? A) Earth. B) Mars. C) Mercury. D) Venus. Show Answer Correct Answer: D) Venus. 50. Which of the following characteristics do all of the inner planets share? A) They have rocky surfaces. B) They each have many moons. C) They are larger and more massive that the sun. D) They have thick atmospheres of hydrogen and helium. Show Answer Correct Answer: A) They have rocky surfaces. 51. Which of these is found in the center of our solar system? A) Earth. B) Pluto. C) Sun. D) Jupiter. Show Answer Correct Answer: C) Sun. 52. Which of these lists the outer planets in order of their distance from the Sun (nearest to farthest)? A) Mercury, Venus, Earth, Mars. B) Mars, Jupiter, Saturn, Uranus. C) Jupiter, Uranus, Neptune, Saturn. D) Jupiter, Saturn, Uranus, Neptune. Show Answer Correct Answer: D) Jupiter, Saturn, Uranus, Neptune. 53. Why do scientists use scale to study the Solar System? A) The solar system is too large to study without using scale. B) The solar system is too small to study without using scale. C) Scientists don't need to use scale because we have satelites. D) All of the above. Show Answer Correct Answer: A) The solar system is too large to study without using scale. 54. He believed the planets orbit the sun in an elliptical orbit. A) Galileo. B) Copernicus. C) Ptolemy. D) Kelper. Show Answer Correct Answer: D) Kelper. 55. How long is Earth's period of rotation? A) 60 minutes. B) 365.25 days. C) 24 hours. D) 30-31 days. Show Answer Correct Answer: C) 24 hours. 56. What is a common characteristic of the inner planets? A) Distance between them is shorter. B) Rings. C) Distance between them is longer. D) Gaseous. Show Answer Correct Answer: A) Distance between them is shorter. 57. What is one fact about Venus? A) Its atmosphere can support life. B) It has 2 irregularly shaped moons. C) It was discovered in 1846. D) It is the hottest of the planets. Show Answer Correct Answer: D) It is the hottest of the planets. 58. What is the name often given to the four outer planets? A) Terrestrial planets. B) Gas giants. C) Inner planets. D) None of above. Show Answer Correct Answer: B) Gas giants. 59. Pieces of rock that actually strike Earth's surface are called ..... A) Meteorites. B) Meteors. C) Comets. D) Meteoroids. Show Answer Correct Answer: A) Meteorites. 60. Which planet has life? A) Earth. B) Saturn. C) Uranus. D) Jupiter. Show Answer Correct Answer: A) Earth. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesSolar System Quiz 1Solar System Quiz 2Solar System Quiz 3Solar System Quiz 4Solar System Quiz 5Solar System Quiz 6Solar System Quiz 7Solar System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books