VII B SCIENCE 6.PHYSICAL AND CHEMICAL CHAGES (TOPIC THOUGHT AND HOME WORK) 10/08/2021

TOPIC :PHYSICAL CHANGE

 A physical change to a sample of matter occurs when some of the material’s characteristics change but the matter’s identity does not. Physical changes are further divided into two categories: reversible and irreversible. Melting is a reversible physical change since the melted ice cube may be refrozen.

Changes in the size or form of matter are examples of physical change. Physical changes include transitions from one state to another, such as from solid to liquid or liquid to gas. Cutting, bending, dissolving, freezing, boiling, and melting are some of the processes that create physical changes.

 

LINK:https://youtu.be/IvdhVqyyZdk

HOMEWORK:

READ THE TEXTBOOK TILL THE PHYSICAL PROPERTIES .



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