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