Science

Tayor's vocab 1/4/11

11 cards·by taylorgreen

Kinetic Theory of Matter

The idea that all matter is made up of constantly moving tiny particles.

Evaporation

The gradual change of a substance from a liquid to a gas at temperatures below the boiling point.

Sublimination

The process in which a solid changes directly to a vapor without forming a liquid.

Condensation

The change of a substance from a gas to a liquid which usually takes place when a gas is cooled to or below its boiling point.

Thermal Expansion

A characteristic of almost all matter that causes it to expand when heated and contract when cooled.

Solid

Whole shape, fixed volume (don't change shape)

Liquid

Shape of container free surface, fixed volume, sticks together but, moves around.

Gas

Shape of container, volume of container, will fill the whole thing

Homogenus

When two substances are mixed and formed (salt mixes with water)

Heterogenus

When two substances are mixed and create a non-uniform solution (water and oil don't mix)

Macroscopic Properties

Those that can be observed in bulk matter.