Internal Energy

Internal Energy problem 3

Which of the following statements describe the change in internal energy of the described body? Does the body's internal energy increase or decrease?

  • Potatoes thrown into a boiling water.

  • Lemonade left in the sun.

  • A car that stops.

  • A ball thrown vertically upwards.

  • Stretching a spring.

  • Lighting a match.

  • Pouring water into an ice cube mold and placing it in the freezer.


material editor: Joanah Frank