PB | Class7 | Science | Chapter 6 | Bhotik Ate Rasayenik Parivartan_04 (PSEB)

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In Class 7 Science Chapter 6 of the PSEB syllabus, students will learn about physical and chemical changes, their characteristics, and the factors that affect them. The chapter is titled "Bhotik Ate Rasayenik Parivartan," which translates to "Physical and Chemical Changes" in English.

The chapter starts with an introduction to the concept of change and the different types of changes that occur around us. The focus then shifts to physical changes, which are changes that do not result in the formation of a new substance. Students will learn about the characteristics of physical changes, such as changes in shape, size, and state of matter, and the various factors that can cause them.

The chapter then moves on to chemical changes, which involve the formation of a new substance. Students will learn about the signs of chemical changes, such as the production of gas, heat, light, or a change in color, and the different factors that can cause chemical changes to occur.

Throughout the chapter, students will be introduced to several real-life examples of physical and chemical changes, such as the melting of ice, burning of a candle, and rusting of iron. The chapter concludes by emphasizing the importance of understanding physical and chemical changes in our daily lives and the role they play in shaping our world.



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