In any energy transfer, what is the role of the object defined as the 'energy source'?

It is the object that gains energy during the interaction.

It is the object that provides the energy that flows to another object.

It is the object that destroys energy after the interaction is complete.

It is the object that stops the flow of energy between two locations.

A person warms their cold hands over a campfire. In this scenario, which of the following correctly identifies the energy source and energy receiver?

The hands are the source, and the fire is the receiver.

The fire is the source, and the hands are the receiver.

The fire is the source, and the surrounding air is the receiver.

The hands are the source, and the heat is the receiver.

It must be colder than its surroundings.

It must interact with an energy source.

It must generate its own internal energy.

It must stop all interaction with other objects.

The light bulb demanding power from the generator.

The generator spontaneously creating its own energy.

The interaction with the hand turning the crank.

The surrounding air cooling down the generator.

The person pressing the buttons