Chemistry Part 2
Changes
Physical
A change in matter which does not alter the chemical properties of the substance.
Examples
Cutting up paper
Mixing drink mix into water.
Cleaning your self
Chemical
A chemical change is a change of substances into another, new substances are created with a chemical change.
Examples
Baking cookies
Rusting of Iron
Digesting food
Properties
Physical
Examples
Color
The color of an substance
Density
How consistent a substance is measured by mass times volume.
Texture
The feel, appearance, or consistency of a surface or substance.
Luster
The way an substance reflects light. If the object is metallic or not.
Taste
What the object Tastes like when consumed.
Conductivity
The ability of a substance to conduct electricity.
A Physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance.
Chemical
Chemical properties describe the characteristic ability of a substance to react to form new substances
Examples
Flamibility
The ease with which a material is ignited
Toxicity
The quality of being toxic or poisonous.
Acidity
The level of Acid in a substance
Heat of combustion
The amount of heat released during the process of oxidation or combustion