Describing Matter Properties of Matter
Matter: Anything that has mass and volume
Substance: is a single kind of matter that is pure, meaning it has a specific make-up or composition
Are these substances?
Chemistry is the study of matter and how it changes
All matter has chemical and physical properties
Physical Properties of Matter Physical Property: Is a characteristic of a pure substance that can be observed without changing it into another substance
Freezing, hardness, texture, color, flexibility, solid, liquid, gas, dissolves, luster, malleable, ductile
Physical properties can be used to classify matter
Example: Gold
Chemical Properties of Matter Chemical Property: Is a characteristic of a pure substance that describes its ability to change into different substances
Flammability, Reactivity, Rusting
Methane Gas: The gas can catch in fire and burn in air, when it burns, it combines with O2 in the air and forms water and carbon dioxide.
To observe chemical properties, you must change it to another substance
Again are used to classify matter