When a gas changes to a liquid.

Study for the ACAP 4th Grade Science Test. Learn with interactive quizzes and multiple-choice questions, complete with hints and explanations. Get ready to excel!

Multiple Choice

When a gas changes to a liquid.

Explanation:
Gas to liquid is condensation. When a gas loses enough energy, its molecules slow down and cling together more, forming a liquid instead of staying as a gas. This is why water vapor condenses into liquid water on a cold surface or in clouds. Vaporization would be the opposite—changing from a liquid to a gas. Sublimation is a solid turning directly into a gas, and freezing is a liquid turning into a solid.

Gas to liquid is condensation. When a gas loses enough energy, its molecules slow down and cling together more, forming a liquid instead of staying as a gas. This is why water vapor condenses into liquid water on a cold surface or in clouds.

Vaporization would be the opposite—changing from a liquid to a gas. Sublimation is a solid turning directly into a gas, and freezing is a liquid turning into a solid.

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