Quiz  /  Black Holes

  • 1. 
    What powerful force allows black holes to absorb light?

  • Gravity
  • Nuclear fusion
  • Electromagnetism
  • Nuclear bonding

  • 2. 
    How do scientists know that black holes exist?

  • All of the above
  • By viewing black holes with powerful telescopes
  • By running experiments on the Sun
  • By observing objects and light around black holes

  • 3. 
    How do black holes form?

  • When planets collide
  • When giant stars explode
  • When nuclear bombs explode
  • When comets strike planets

  • 4. 
    Where do super massive black holes likely exist?

  • At the center of galaxies
  • At the center of the Solar System
  • Inside gas giant planets
  • All of the above

  • 5. 
    True or False: Black holes are invisible because they don't reflect light.

  • TRUE
  • FALSE

  • 6. 
    What do we call the boundary around a black hole where nothing can escape its gravity?

  • Event horizon
  • The Great Wall
  • Singularity
  • Supernova border

  • 7. 
    What is the center of a black hole called?

  • Iris
  • Singularity
  • Pulsar
  • Supernova

  • 8. 
    What is it called when an aging star explodes?

  • Pulsar
  • Singularity
  • Iris
  • Supernova

  • 9. 
    True or False: Black holes were first discovered by Ancient Egyptian astronomers around 3000 BCE.

  • TRUE
  • FALSE

  • 10. 
    What makes the gravity of a black hole so strong?

  • Nuclear reactions at its core
  • Its large size and small mass
  • Its small size and large mass
  • It spins at a rate faster than light
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