Thermal Energy SG 2025

Front

What is thermal energy?

Back

Thermal energy is the total energy of all the particles in a substance, which includes both kinetic and potential energy.

Front

What is temperature?

Back

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

Front

How is thermal energy measured?

Back

Thermal energy is measured in Joules.

Front

How is temperature measured?

Back

Temperature is measured in degrees Celsius (°C) or Fahrenheit (°F).

Front

What happens to the energy of molecules when temperature decreases?

Back

The energy of the molecules decreases.

Front

What does the warmth of a hot object represent?

Back

The warmth represents the total energy of all the particles within the object.

Front

What is the relationship between temperature and kinetic energy?

Back

The temperature of a material depends upon the average kinetic energy of its particles.

Front

How does the average kinetic energy of particles in iced tea compare to that in hot tea?

Back

The average kinetic energy of the particles in iced tea is lower than that in hot tea.

Front

What is the effect of heat transfer on temperature?

Back

Heat transfer can change the temperature of an object, as energy moves from a warmer object to a cooler one.

Front

What is conduction?

Back

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