PS3.A - Definitions of Energy

Electrical energy may mean energy stored in a _____________ or energy transmitted by electric currents.

• molecule

• field

• bond

• battery

Energy is a _________________ property.

• quantitative

• descriptive

• qualitative

• macroscopic

Energy depends of the motion and interactions of _______________ and _____________ within a system.

• molecules, radiation

• matter, molecules

• matter, radiation

• molecules, radiation

Within a system, energy can be continually _______________ from one object to another.

• duplicated

• reversed

• decreased

• transferred

Energy, within a system, can be changed between is various possible _________________.

• amounts

• forms

• states

• characters

Which of these is NOT a macroscopic presentation of energy?

• motion

• radiation

• sound

• light

Energy relationships are best understood at the _______________ scale.

• Macroscopic

• Microscopic

• Molecular

• Energetic

At the microscopic level, all of the different manifestations of energy can be modeled as a combination of energy associated with the motion and ________________ of particles.

• speed

• pressure

• position

• activity

___________________is a phenomenon in which energy stored in fields moves across space.

• Gravitation

• Radiation

• Conduction

• Convection