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In this topic you will find: Matter definition. The three states of matter. Differences between the three states. The water cycle. Melting,freezing,evaporation and condensation. some useful definitions flash cards and quiz.

In this topic you will find: Matter definition. The three states of matter How can matter change from one state to another? Types of changing state of matter. How to separate a solid mixture? Keywords and some useful definitions flash cards and quiz. Science reading comprehension.