Physical changes do not change the properties of the substance. You can get back the original state of the substance in most cases by reversing the physical process.
Actually nothing, just some few physical changes in some cases
The only physical changes that have any effect on the mass of an object are lopping a piece off or gluing a new piece on.
Physical Changes
what is marijuana physical changes
There are no physical changes. there are only chemical changes.
Reversible changes and physical changes are not exactly the same. Reversible changes can be undone and the original substance can be recovered, while physical changes alter the appearance or state of a substance without changing its chemical composition. Physical changes are usually reversible, but not all reversible changes are physical changes.
physical or chemical changes
Physical changes in a substance result in
Physical changes can include changes in size, shape, or state, while chemical changes involve the formation of new substances. Good effects of physical changes can include creating new materials like paper from wood pulp, while good effects of chemical changes include producing new medicines through chemical reactions. Both types of changes can be used to create new products and materials for various applications.
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
Burning
its physical changes