Energy Transformation and Thermal Energy Transfer Review

Front

What energy transformations occur in a lamp that plugs into a wall socket?

Back

Electrical → thermal → light

Front

What is the form of energy transfer that occurs when a child's hand touches a hot surface?

Back

Conduction

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What is convection?

Back

Convection is the transfer of energy through circular motion caused by heating and cooling in fluids (liquids and gases).

Front

When can conduction occur between two objects?

Back

Conduction can only occur when both objects are in physical contact with each other.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the Law of Conservation of Energy?

Back

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is radiation in terms of energy transfer?

Back

Radiation is the transfer of energy through electromagnetic waves.

Front

What is an example of conduction?

Back

An example of conduction is a metal spoon getting hot when placed in a pot of boiling water.

Front

What is an example of convection?

Back

An example of convection is warm air rising and cool air sinking in a room.