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Introduction to Physical and Chemical Changes
Physical and chemical changes are two types of transformations that matter can undergo. Understanding these changes is essential in the field of science.

Physical Changes
- Physical changes are alterations in the form or state of matter without changing its chemical composition.
- Examples of physical changes include melting ice, boiling water, and crushing a can.
- Physical changes are usually reversible, meaning the original substance can be recovered.

Chemical Changes
- Chemical changes involve the formation of new substances with different chemical properties.
- Examples of chemical changes include rusting of iron, burning of wood, and digestion of food.
- Chemical changes are often irreversible, as the original substances are transformed into completely new compounds.

Class 7 Science Explanation
In Class 7 Science, students learn about physical and chemical changes in depth. They conduct experiments, observe reactions, and understand the principles behind these transformations. By studying these concepts, students develop critical thinking skills and a deeper understanding of the world around them.

Conclusion
Understanding physical and chemical changes is crucial in various fields, including chemistry, biology, and physics. By grasping the differences between these two types of transformations, students can apply their knowledge to real-world situations and make informed decisions.
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Needed a Document for physical changes? Related: Introduction to Physical and Chemical Changes, Physical and Chemical Changes, Class 7 Science for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Needed a Document for physical changes? Related: Introduction to Physical and Chemical Changes, Physical and Chemical Changes, Class 7 Science covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Needed a Document for physical changes? Related: Introduction to Physical and Chemical Changes, Physical and Chemical Changes, Class 7 Science.
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