Properties of Matter Physical Properties Has 2 properties. - Physical -Chemical
Mass vs. Weight Mass & Weight are NOT the same
Mass ALWAYS stays the same
Weight changes depending where you are.
Ex. On the moon your mass would be the same as on earth but your weight would be different.
Volume Malleability Conductivity Boiling Point Space something takes up. All 3 dimensional objects have it How easily something can be shaped Can carry an electric current At what point a Substance boils
Physical Changes to Matter Condensation Sublimation Is a change in size, shape, or state of matter.
Water freezing into Ice
Water boiling and becoming a gas
Where a gas is reduced to a liquid or solid form. Ex: Soda Can Where an object changes from a solid to a gas without becoming a liquid
Chemical Properties Chemical Changes Is a characteristic of a substance that indicates whether it can go through a chemical change
pH (Acid or Base)
Produces a gas (bubbles)
Produces a precipitate (makes a solid from mixing 2 liquids)
Chemical or Physical Change? Tearing Paper? Mixing Salt and Water? Burning Paper? Evaporating the water to leave the salt? Baking Soda and Vinegar? Dry Ice becoming a Gas? Mentos and diet coke? Gasoline Combustion in a car?
Change the Cookie Using ONLY yourself. What are 3 ways you can physically change the cookie? Using ONLY yourself. What is 1 way you can chemically change the cookie?