Classify substances as
- elements, compounds, mixtures and solutions.
- metals, non-metals,
- solids, liquids, gases
Matter is anything that has both mass and volume.
So anything that has a weight and takes up space is Matter, it does not have to have much weight but some.
Volume is the amount of space something occupies.
The ancient people of Greece, as told by Empedocles in 400 BC, believed that all things of the universe came in a state that was similiar to