When plastic molds is a physical change?
Physical. The plastic is still plastic. the production just make the shape
no. Rotting fruit is just changing the form of the fruit not making an entirely new substance. So, it is a physical change. Sorry ... rotting is a chemical change - the bacteria and molds are "eating" the fruit and changeing it into the eqivalent of poo. Drying fruit would be mostly a physical change.
Heat raises the temperature of the material. If the change is small then there is only a physical change and allowing the material to return to its original temperature will return it to its original physical state. However, too much heat can result in chemical changes which are usually not reversible. For example, if you heat a piece of plastic enough it will crumple into a charred mass. That charred mass will not return to…
IT IS WHEN SOMETHING LIKE US HUMANS FOR EXAMPLE WE GO THROUGH LOTS OF PHYSICAL CHANGES IT IS WHERE YOU CHAND ON THE OUTSIDE AND NO NOT WHAT YOU WEAR BUT YOU START TO DEVELOP AND YOU PHYSICALY CHANGE INTO A ADULT Examples of physical changes are gaining or losing weight, having plastic surgery done to your facial features, etc.