Thermal Energy Unit Test DLAmplify

Front

What is the process of energy transfer between two objects with different temperatures?

Back

Energy transfers from the warmer object to the cooler object until they reach equilibrium.

Front

What is thermal energy?

Back

The total kinetic energy of the tiny particles that make up matter.

Front

How does temperature relate to the motion of molecules?

Back

Temperature is a measure of the average kinetic energy of the molecules; higher temperature means faster-moving molecules.

Front

What determines the thermal energy of an object?

Back

Thermal energy depends on both the energy of the particles and the number of particles in the object.

Front

Which has more thermal energy: a small cube of ice or a large cube of ice at the same temperature?

Back

The large cube of ice has more thermal energy because it has more particles.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion.

Front

What happens to thermal energy when two objects at different temperatures come into contact?

Back

Thermal energy flows from the warmer object to the cooler object until they reach the same temperature.

Front

What is equilibrium in the context of thermal energy?

Back

Equilibrium is the state where two objects have equal temperatures and no net transfer of thermal energy occurs.

Front

How does the number of particles affect thermal energy?

Back

More particles in an object contribute to a higher total thermal energy, even if the temperature is the same.

Front

What is the relationship between thermal energy and temperature?

Back

Thermal energy is related to temperature, but they are not the same; temperature measures average kinetic energy, while thermal energy is the total energy.