Yes, they all are.
Yes, fire does have matter. Fire is a chemical reaction that releases energy in the form of heat and light. The matter involved in a fire includes the fuel being burned and the oxygen in the air that reacts with the fuel to produce the flames.
Matter is made up of 4 states (currently 5) Solid - earth, liquid- water, gas- air and plasma - fire biso-eintsein -
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Answerthe reason is that the molecules in air push in all directions down,up, and sideways. The air pushing down on top of your desk is balanced by the air pushing up on the bottom of your desk.
He did not picture the atom...he believed that matter was made of water, air, earth and fire.
-- Earth-- Air-- Fire-- Water
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Water and fire, earth and air just don't matter as much.
The four elements that Greek philosophers believed to be the only ones were earth, fire, air, and water. They thought that all matter was composed of different combinations of these elements.