Matter

Cannot be divided into parts by physical means

and it is made up of the same thing.

• mixture

• pure substance

• homogeneous

• gas

Are substances composed of two or more elements, so they contain two or more kinds of atoms

• gas

• mixture

• heterogeneous

• compound

It does not flow easily

• gas

• plasma

• solid

• liquid

Mixture not uniform

in composition and properties throughout

• homogeneous

• homogenesis

• heterogeneous

• heterogenesis

It has a lots of free space between particles

• solid

• liquid

• gas

• plasma