🧲ap physics 2 review

Phase Change

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

Phase change refers to the transition between different states (phases) of matter, such as solid, liquid, gas, or plasma. During phase changes, energy is either absorbed or released while temperature remains constant.

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