Flashcard 2.2

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). It occurs when warmer areas of a liquid or gas rise and cooler areas sink, creating a circulation pattern.

Front

What type of energy is associated with the flow of electrons through a wire?

Back

Electrical energy is the energy associated with the flow of electric charge (electrons) through a conductor.

Front

What form of energy do batteries, food, and gasoline represent?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules.

Front

Energy is the ability to do ____________.

Back

work.

Front

What is an example of energy transformation from electrical to mechanical?

Back

An electric motor transforms electrical energy into mechanical energy.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials, where heat moves from the hotter object to the cooler one.

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves, such as light or heat from the sun.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion. It depends on the mass and velocity of the object.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state. For example, a rock at the top of a hill has gravitational potential energy.

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.