Internal Energy

Internal Energy problem 2

Identify the correct statement in the list below:

  • A body’s internal energy can be increased if the body receives work.

  • If the temperature of an observed body increases, its internal energy also increases.

  • A colder body has more internal energy than a warmer body.

  • If we heat tea, its internal energy decreases.

  • When we start a car's engine, its internal energy increases.

  • If we pour boiling water into a pot and then pour out the water, the internal energy of the pot does not change.

  • A body retains its internal energy when not in contact with another body.

  • As soon as we turn on a light bulb, the internal energy of the bulb decreases as it emits heat.


material editor: Joanah Frank