Solids and liquids can be changed from one state to another by heating or cooling. Heat melts a solid and turns it into a liquid. Cooling freezes a liquid into a solid.
Solids and liquids can be changed from one state to another by heating or cooling. Heat melts a solid and turns it into a liquid. Cooling freezes a liquid into a solid.
General Note
Originally released by BBC Worldwide Learning, 2017.
Streaming video file encoded with permission for digital streaming by Infobase on March 22, 2018.