Lesson: Matter: Phases and Properties

We live in a physical world where materials exist in different phases. These materials differ from one another.

1. How are these materials identified?

2. Are these materials useful to people?

3. Give the different phases of matter and describe its molecular arrangement and properties. Cite two examples.

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Answers

2016-07-27T05:22:17+08:00
3. solid liquid water plasma
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