Presentation on theme: "The Properties of Matter"— Presentation transcript:
1The Properties of Matter Chapter 1 NotesThe Properties of Matter
2What is Matter? Matter is anything that has Mass and Volume Mass is the amount of matter an object contains.Units: grams (g), kilograms (kg)Volume is the amount of space an object takes up.Units: liters (L), milliliters (mL), cubic centimeters (cm3)
5Physical PropertiesPhysical properties can be observed or measured without changing the identity of the matter.Examples:ColorOdorMassVolumeDensity (Density = Mass/Volume)State – Solid, Liquid, or Gas?Malleability – Can I flatten it?Ductility – Can I stretch it into a thin wire?Solubility – Can I dissolve it in something?Thermal Conductivity – Does it carry heat?
9Characteristic Properties Characteristic properties are always the same, whether the object is large or small.Characteristic properties can be physical or chemical.Examples:DensitySolubilityReactivity
10Physical ChangesIn a physical change, a physical property changes, but the identity of the substance does not change.Physical changes are sometimes easy to undoExamples:Melting ice or boiling waterRipping paper into piecesDissolving sugar into water
12Chemical ChangesIn a chemical change, a substance changes into a different substance.Chemical changes are usually difficult to undo.Examples:Burning wood or “snakes”Spoiling milk (curdling)Rusting metal