Science definitions

Physical property

Any characteristic of a material that can be observed or measured without changing the composition of the substances in the material.

Viscosity

The tendency of a liquid to keep from flowing- its resistance to flowing

Conductivity

A materials ability to allow heat to flow.

Malleability

The ability of a solid to be hammered without shattering.

Melting point

The temperature at which a substance changes from solid to liquid.

Boiling point

The temperature at which a substance boils at.

Filtration

A process that separates materials based on the size of their particles.

Distillation

A process that separates the substances in a solution based on their boiling points.

Physical change

When some of the properties of a material change but the substance es in the material stay the same.

Chemical property

Any ability to produce a change in the composition of matter.

Flammability

A materials ability to burn in the presence of oxygen.

Reactivity

The property that describes how readily a substance combines chemically with other substances.

Chemical change

When a substance reacts and forms one or more new substances.A

Precipitate

Any solid that forms and separates from a liquid mixture.