Give some examples of matter,which are not matter
(a) Define matter. Give four examples of matter.
(b) What are the characteristics of matter?
All the things, including us are made up of matter. The diagram shows how some types of matter are classified. This diagram is not complete. Elements are often divided into sub-groups. What are the two sub -groups A and B?
What are the three states of matter ? Define each of them with two examples.