All matter can be split into tiny units called:

Which one of the following has a definite volume, but no definite shape?

In which of the following, the molecules are separated by large empty spaces?

Which is the smallest unit of a substance that has all the properties of that substance?

Choose the one which has no definite shape or volume?

A molecule can be further broken into still smaller units called:

What do fish and other animals that live in water breathe?

Which one of the following always in a state of motion?

Which is a temporary change that can be reversed?

Anything that occupies space and has weight is called: