Lesson T7.2.1

T7.2.1 Our Sun and other stars Quiz: KS3 Physics, Unit 7

20 questions

In partnership with Revision Ninja

Lesson T7.2.1, Our Sun and other stars: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 7: Space physics, written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

Host this setFree Play

The 20 questions

  1. What type of object is our Sun?

    • A planet
    • A comet
    • A moon
    • A star
  2. Which is the closest star to Earth?

    • Polaris
    • The Sun
    • Sirius
    • Proxima Centauri
  3. What is the name of the galaxy containing our Sun?

    • Andromeda
    • The Milky Way
    • Sombrero
    • Triangulum
  4. What is a galaxy primarily composed of?

    • Stars and dust
    • Comets and asteroids
    • Planets and moons
    • Rocks and water
  5. Roughly how long does sunlight take to reach Earth?

    • About 8 seconds
    • About 8 hours
    • About 8 minutes
    • About 8 days
  6. What process makes stars shine?

    • Electrical discharge
    • Nuclear fusion
    • Chemical burning
    • Nuclear fission
  7. What are entities found far beyond our Milky Way called?

    • Comet clouds
    • Solar nebulae
    • Other galaxies
    • Inner planets
  8. What is the main effect of the Sun's gravity in our solar system?

    • Holds planets in orbit
    • Creates magnetic fields
    • Generates solar wind
    • Causes planetary day
  9. Why do stars appear as small points of light?

    • Extreme distance
    • Atmospheric lenses
    • Small actual size
    • Dim light output
  10. What type of astronomical object is the Sun?

    • A star
    • A planet
    • A moon
    • An asteroid
  11. Which best describes the Sun?

    • Rocky asteroid
    • Frozen comet
    • Luminous star
    • Reflective planet
  12. Which term describes the Milky Way?

    • A galaxy
    • A solar system
    • A constellation
    • A universe
  13. Why does the Sun look brighter than other stars?

    • It is closer
    • It is younger
    • It is larger
    • It is hotter
  14. Roughly how many galaxies exist in the universe?

    • Only dozens
    • Exactly one hundred
    • Billions
    • A few millions
  15. What physical force holds both stars and galaxies together?

    • Friction
    • Magnetism
    • Gravity
    • Air resistance
  16. What is the primary scientific definition of a star?

    • Solid rock sphere
    • Liquid water mass
    • Reflecting ice body
    • Luminous gas ball
  17. What is the approximate number of stars in the Milky Way?

    • Exactly one thousand
    • Hundreds of billions
    • A few hundred
    • Only the Sun
  18. Which of these is a planet, not a star?

    • Jupiter
    • Sirius
    • The Sun
    • Betelgeuse
  19. How do planets appear to shine in the night sky?

    • Burning their atmosphere
    • Creating nuclear energy
    • Emitting own starlight
    • Reflecting sunlight
  20. Compared to Earth, what property is much greater in the Sun?

    • Density
    • Mass
    • Distance
    • Temperature

All KS3 Physics quizzes