1. These materials may change their size and shape.
2. When solid materials are pressed, they undergo physical change. No new substance is formed but, it changes its form, texture size or shape.
3. When it is hammered it turns to sheets or turns to the sharp edges that is used as blades for swords etc. And if you cut it the texture will change because the molecules of it's substance will move. And it's particles will also be damage so that it will change.
Answers & Comments
Answer:
1. These materials may change their size and shape.
2. When solid materials are pressed, they undergo physical change. No new substance is formed but, it changes its form, texture size or shape.
3. When it is hammered it turns to sheets or turns to the sharp edges that is used as blades for swords etc. And if you cut it the texture will change because the molecules of it's substance will move. And it's particles will also be damage so that it will change.