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States of matter, change in state
In this lesson, by completing the exercises, you can learn about the states of matter and changes in state.
Grade 7
Author: Dr. Sós Katalin, Sós Mária
Reviewer: Balogh Terézia, Horváthné Kunstár Andrea
Graphic designer: Molnár Mónika
Developer: Kovács-Jeszenszky Anna
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