a physical change
ex. change in state
This is a chemical change.
The chemical changes take place on moleculer space. A chemical change form (or) produce a new substance.
The chemical composition of the substance does not change when it changes its state of matter. The arrangement of atoms and molecules may vary, but the elements present in the substance remain the same.
Physical property of matter
Because no chemical reaction is taking place. It is the same substance, just in a different state of matter.
By heating or freezing.
Energy is the ability to cause a change in matter.
PHYSICAL CHANGE - refers to the change in size, shape, or state of matter. CHEMICAL CHANGE - happens when one chemical substance is transformed into one or more different substance, such as iron becomes rust.
well the reason they do that is to see that if there are a lot of those kind of animals or if there is more of them.
A chemical change in matter produces a new substance. A physical change, on the other hand, only alters the state or phase of matter without producing a new substance.
A change in matter that produces a new substance is called a chemical reaction. This involves the breaking and forming of chemical bonds between atoms to create different molecules with distinct properties.
Nope. That is a physical change. If I crush a cookie into powder, it is still cookie- no chemical change. The form and appearance have changed. But pour powdered cookie onto your tongue, and it is still cookie.