Final answer:
The type of matter that can be separated into simpler parts using physical methods is a mixture, composed of two or more substances that retain their individual identities.
Step-by-step explanation:
Classification of Matter
The classification of matter that can be separated into two or more simpler parts using physical means is known as a mixture. Mixtures are combinations of two or more pure substances in which each substance retains its own identity and properties. These can be separated by such physical methods as filtration, evaporation, or distillation, without changing the identity of the components. An example of a mixture is salt water, where salt and water can be separated through evaporation.
Pure substances, in contrast, have a constant composition and cannot be separated into simpler substances through physical means. Examples include elements and compounds. Elements are the simplest form of matter made up of only one type of atom, whereas compounds are made up of two or more types of atoms. For example, water (H2O) is a compound made of hydrogen and oxygen atoms.