Physical+and+Chemical+Changes

There are multiple changes in the world. Some of them are called Physical Changes, which is when something changes physically but not chemically. Examples of this are:
 * Ice melting.
 * Lava hardening into rock.
 * Juice staining a shirt.
 * Soap bubbling
 * Sugar disolving in water
 * Wool being made into thread
 * and others

Other changes are Chemical changes. These changes affect both the appearance and the chemical structure of the substance. These are seen in: Physical Change: =====> Chemical Change:
 * Vinegar and Baking Soda mixtures
 * Yeast + Sugar
 * Atomic bombs
 * etc.