U9 - Thermal Energy and Temperature

Front

What happens when a piece of ice at -6°C is placed on ground at 50°C?

Back

Heat transfers thermal energy from the ground to the ice.

Front

What is the process that makes a pot's handle hot when heated?

Back

Conduction

Front

In which direction does heat transfer occur?

Back

Heat transfer occurs only from warm objects to colder ones.

Front

What is the term for the transfer of thermal energy between objects?

Back

Heat.

Front

What type of heat transfer occurs in boiling water?

Back

Convection.

Front

Define thermal energy.

Back

Thermal energy is the total kinetic energy of particles in a substance due to their motion.

Front

What is temperature a measure of?

Back

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

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids or gases).

Front

What is radiation in terms of heat transfer?

Back

Radiation is the transfer of thermal energy through electromagnetic waves.