Vocabulary Quizs: States

Melting point

• Temperature at which a solid becomes a liquid due to the kinetic energy of particles overcoming the attractive intermolecular forces that hold their order together

• The temperature at which a liquid becomes a gas

• The temperature at which a solid becomes a gas without passing through the liquid phase

• The temperature at which a substance changes from one solid form to another solid form

Surface tension

• Force that pulls adjacent parts of a liquid’s surface together, minimizing the surface area

• A measure of the force required to change the shape of a liquid

• The pressure exerted by a liquid in a closed container

• The ability of a liquid to flow easily

Potential energy

• Stored energy

• Energy in motion

• Energy that can be created

• Energy that is lost

Heat of vaporization

• The amount of energy needed to freeze 1 mole of liquid at its freezing point

• The amount of energy, as heat, needed to turn 1 mole of liquid into a gas at its boiling point

• The amount of energy required to raise the temperature of 1 mole of liquid by 1 degree Celsius

• The amount of energy released when 1 mole of gas condenses into a liquid

Partial pressure

• Pressure of each gas in a mixture

• Total pressure exerted by all gases

• Pressure exerted by a single gas in isolation

• Pressure measured at sea level

Kinetic energy

• Energy in motion

• Stored energy

• Energy at rest

• Potential energy

Pressure

• Force per unit area on a surface

• Mass per unit volume

• Energy per unit time

• Velocity per unit distance

Temperature

• Measure of the average kinetic energy of particles in an object

• Measure of the total energy of particles in an object

• Measure of the heat content of an object

• Measure of the density of particles in an object

Atmospheric pressure

• Pressure exerted by the atmosphere (shell) that surrounds Earth

• Pressure exerted by the oceans on the seabed

• Pressure caused by the weight of clouds in the sky

• Pressure experienced at high altitudes due to thin air

Thermal energy

• The energy stored in the bonds of chemical compounds

• The energy associated with the motion of particles in an object

• The energy required to change the temperature of an object

• The sum of the kinetic and potential energy of particles in an object