Matter: Anything that has mass and occupies space is called matter. Our bodies as well as all the things around us are examples of matter.
Types of matter: there are two types of matter.
A) Substance: A piece of matter in pure form is termed as a substance. Every substance has a fixed composition and specific properties or characteristics. Examples: compounds, molecule, atom, element.
B) Mixture: Impure matter is called a mixture; which can be homogeneous or heterogeneous in its composition.
Example: sugar dissolved in water.