Physics and Our Universe: How It All Works

Matter and Heat (1x23)

Yayınlanma tarihi: Eyl 30, 2011

Heat flow into a substance usually raises its temperature. But it can have other effects, including thermal expansion and changes between solid, liquid, and gaseous forms—collectively called phase changes. Investigate these phenomena, starting with an experiment in which Professor Wolfson pours liquid nitrogen onto a balloon filled with air.