The change of a substance from a liquid to a gas is called what?

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Study for the Cambridge Science – States of Matter Test. Prepare with flashcards and multiple choice questions, with hints and explanations for each question. Ready yourself for your exam!

Multiple Choice

The change of a substance from a liquid to a gas is called what?

Explanation:
Evaporation is the change of a substance from a liquid to a gas. It’s a type of vaporization that occurs at the surface and can happen at temperatures below the liquid’s boiling point. Molecules at the surface gain enough energy to overcome intermolecular forces and escape into the air. Boiling is a related process, but it happens rapidly throughout the liquid once it reaches its boiling point and bubbles form. Flow describes movement of a liquid, and a hypothesis is an educated guess, not a state change.

Evaporation is the change of a substance from a liquid to a gas. It’s a type of vaporization that occurs at the surface and can happen at temperatures below the liquid’s boiling point. Molecules at the surface gain enough energy to overcome intermolecular forces and escape into the air. Boiling is a related process, but it happens rapidly throughout the liquid once it reaches its boiling point and bubbles form. Flow describes movement of a liquid, and a hypothesis is an educated guess, not a state change.

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