Chapter Two (Sections 1-3) Flashcards
States of Matter
Physical forms of matter, which include solid, liquid, and gas.
Solid
The state of matter in which the volume and shape of an object are fixed.
Liquid
The state of matter that has a definite volume but not a definite shape.
Surface Tension
The force that acts on the surface of a liquid and that tends to minimize the area of the surface.
Viscosity
The resistance of a gas or liquid to flow.
Gas
A form of matter that does not have a definite volume or shape.
Temperature
A measure of how hot or cold something is; specifically, a measure of the movement of particles.
Volume
A measure of the size of a body or region in three-dimensional space.
Pressure
The amount of force exerted per unit area of a surface.
Boyle’s Law
The law that states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant.
Charle’s Law
The law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant.
Change of State
The change of a substance from one physical state to another.
Melting
The change of state in which a solid becomes a liquid by adding energy.
Evaporation
The change of a substance from liquid to a gas.
Boiling
The conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure.
