Curated OER
Changing State
Students examine the changing states of water. In this solid, liquid, gas activity, students discover that water changes when heated or cooled. Students make predictions and then use the interactive whiteboard to "heat and cool" the...
American Chemical Society
Middle School Chemistry: Changing State: Evaporation
Learn how substances change from a liquid to a gaseous state in the process of evaporation.
ClassFlow
Class Flow: Changing States
[Free Registration/Login Required] Through this unit children consolidate their ideas about changes of state which can be reversed. They use their understanding to explain a range of familiar phenomena.