General science · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which statement best describes evaporation?
- a protein made by the immune system that recognizes a specific target
- a substance that donates hydrogen ions in water and has a pH below 7
- the change of a liquid into a gas at its surface
- the attractive force between masses
Reveal answer and explanation
the change of a liquid into a gas at its surface
evaporation is the change of a liquid into a gas at its surface. A puddle becomes smaller on a warm dry day.