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Type: Multiple-Choice
Category: Properties of Matter
Level: Grade 9
Author: jlovering
Last Modified: 7 years ago

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Properties of Matter Question

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Grade 9 Properties of Matter

Which of the following best describes what happens to the molecules when you freeze a tray of liquid water?
  1. The molecules slow down constantly until they are simply vibrating next to each other.
  2. The molecules speed up until they smash into each other and fuse together.
  3. The molecules increase in mass until the are too crowded to move.
  4. The molecules slow down, then form stronger bonds which stop them from moving around each other as much, and then begin slowing down again.
  5. The molecules slow down while forming strong bonds and then come to a complete stop.