Crystals Quiz Questions

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1. What state or phase of material are crystals?

A Gas B Liquid C Solid D Plasma

2. Which of the following best describes a crystal?

A None of the above B Molecules fit together in a random pattern C All of the above D Molecules fit together in a repeating pattern

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

A When water evaporates from a mixture B When magma cools C When liquids cool and start to harden D All of the above

4. What is crystallization?

A When crystals melt into liquid B When crystals dissolve in a solution C The formation of solids in the form of random molecules D The formation of crystals

5. What are the flat surfaces on crystals called?

A Plateaus B Quartz C Lattices D Facets

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

A Cubic B Hexagonal C Pentagonal D Trigonal

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

A Diamond B Quartz C Garnet D Amethyst

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

A Quartz B Garnet C Amethyst D Diamond

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

A Lattices B Facets C Quartz D Shapelets

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

A Diamond B Snowflakes C Quartz D Garnet

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