Chapter 3 Matter

What Is Matter? All living things can be divided into matter and non-matter. Matter is something that occupies space and has mass. Matter Book Air Soil Animals Non-matter Light Sound Heat Electricity

Air is Matter? Activity 1 Fill a basin with water. Stick a pair of tissue on a glass jar bottom. Dip the glass jar upside down with the opening facing downward. Take the glass jar out. Check whether the tissue is wet or not. If the tissue is not wet, then the space occupied by the air is letting the tissue to be dry. Activity 2 Prepare an empty tire tube. Weigh it. Record the initial weight. Fill air into the tire tube using air pump. Weigh it. Record the final weight. If the final weight is greater than the initial, then air is prove as matter. Since it, has mass.

Matter = discrete particles?

States Of Matter

Diffusion Definition : The passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration. Solid : May take few days to complete Liquid : May take few hours to complete Gas : Instantaneously

Brownian Movement Definition : random moving of particles suspended in a fluid (a liquid or a gas) resulting from their bombardment by the fast-moving atoms or molecules in the gas or liquid Click the arrow below to view the simulation of the brownian movement

Density

Solid Liquid Gas

Buoyancy Float An object float in water when it has lesser density compare to water Sink An object sink in water when it has greater density compare to water

Gas Under High Pressure Gas will turn to liquid when compressed under high pressure Advantages More matter can be stored under liquid state rather than gas state Easier to be transported

Application Hot Air Balloon Submarine Transporting Timber Ships And Boats Buoy