Energy Concepts and Transfer

What does the Law of Conservation of Energy state?

• Energy can be created and destroyed.

• Energy can only change forms and cannot be created or destroyed.

• Energy can be created but not destroyed.

• Energy can be destroyed but not created.

Which of the following is an example of potential energy?

• Moving car

• Compressed spring

• Flowing water

• Sound waves

How is thermal energy transferred through direct contact between molecules?

• Radiation

• Convection

• Conduction

• Evaporation

What type of energy is carried by electrons moving through a circuit?

• Thermal energy

• Mechanical energy

• Electrical energy

• Nuclear energy

Which form of energy is considered low-quality due to inefficiency in conversion processes?

• Kinetic energy

• Thermal energy

• Electromagnetic energy

• Mechanical energy