7 - Lesson 24 Vocab Heat, Temperature & Thermal Energy

Front

What is the process called when a solid changes directly to a gas?

Back

Sublimation

Front

What term describes the thermal energy transferred from a warmer object to a cooler one?

Back

Heat

Front

What is the term for the process of a liquid changing to a gas at the surface?

Back

Evaporation

Front

What is the process called when a gas changes directly to a solid?

Back

Deposition

Front

How is temperature defined in terms of particle motion?

Back

Temperature is a measure of the average kinetic energy of the particles of a substance.

Front

What is the difference between heat and temperature?

Back

Heat is the transfer of thermal energy, while temperature is a measure of the average kinetic energy of particles.

Front

What happens to the temperature of a substance during a phase change?

Back

The temperature remains constant during a phase change, even though heat is being added or removed.

Front

What is the term for the energy required to change a substance from solid to liquid?

Back

Heat of fusion

Front

What is the term for the energy required to change a substance from liquid to gas?

Back

Heat of vaporization

Front

What is the relationship between thermal energy and temperature?

Back

Thermal energy is the total energy of all the particles in a substance, while temperature is the average energy per particle.