Quiz  /  Crystals

  • 1. 
    What state or phase of material are crystals?

  • Gas
  • Liquid
  • Solid
  • Plasma

  • 2. 
    Which of the following best describes a crystal?

  • None of the above
  • Molecules fit together in a random pattern
  • All of the above
  • Molecules fit together in a repeating pattern

  • 3. 
    Which of the following is a way that crystals can form in nature?

  • When water evaporates from a mixture
  • When magma cools
  • When liquids cool and start to harden
  • All of the above

  • 4. 
    What is crystallization?

  • When crystals melt into liquid
  • When crystals dissolve in a solution
  • The formation of solids in the form of random molecules
  • The formation of crystals

  • 5. 
    What are the flat surfaces on crystals called?

  • Plateaus
  • Quartz
  • Lattices
  • Facets

  • 6. 
    Which of the following is not one of the seven basic crystal shapes?

  • Cubic
  • Hexagonal
  • Pentagonal
  • Trigonal

  • 7. 
    What type of crystal is the hardest substance found on Earth?

  • Diamond
  • Quartz
  • Garnet
  • Amethyst

  • 8. 
    What type of crystals are used for timing in watches and electronics?

  • Quartz
  • Garnet
  • Amethyst
  • Diamond

  • 9. 
    What are the seven basic shapes formed by crystals called?

  • Lattices
  • Facets
  • Quartz
  • Shapelets

  • 10. 
    What type of crystals are formed in clouds when water freezes?

  • Diamond
  • Snowflakes
  • Quartz
  • Garnet
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