Chemical and Physical Changes

Flammability is a chemical property that describes the ability of a substance to catch fire and burn.

Evidence of a physical change includes a change in shape, size, or state of matter, but does not produce a new substance.

Red color is a physical property that describes the appearance of a substance.

When water is heated and changes to steam, it is a physical change because the substance remains H2O.

Boiling point is a physical property that indicates the temperature at which a liquid turns into vapor.

A chemical change is a process where one or more substances are transformed into new substances with different properties.

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

An example of a chemical change is rust forming on iron when it reacts with oxygen.

An example of a physical change is ice melting into water.

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction.