EVERYDAY SCIENCE

Detailed explanation-1: -A pure substance is a form of matter that has a constant composition (meaning that it is the same everywhere) and properties that are constant throughout the sample (meaning that there is only one set of properties such as melting point, color, boiling point, etc.

Detailed explanation-2: -Matter is any substance that has mass and takes up space. Earth, and everything on it, is made of matter, and so are all the stars and planets in the universe.

Detailed explanation-3: -1 Answer. A form of matter that always has the same composition is known as a pure substance. Elements and compounds are both examples of pure substances.

Detailed explanation-4: -Atoms and molecules are all composed of matter. Matter is anything that has mass and takes up space. Matter consist of atoms that are divisible and composed of protons, neutrons and electrons.

Detailed explanation-5: -The term matter refers to anything that occupies space and has mass-in other words, the “stuff” that the universe is made of. All matter is made up of substances called elements, which have specific chemical and physical properties and cannot be broken down into other substances through ordinary chemical reactions.