PIMSO 2023 - Science - Primary 2 - National Round Question 10

Cold butter, which is in the solid phase, turns to liquid when you spread it on a hot piece of bread. This illustrates what kind of phase change?



jeffreyw, mmm...warm fresh bread w/butter, uploaded by Fæ, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=23097519