Learn about solid, liquids and gases with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize. BBC Homepage. ... Activity 4 – Sort the states.

This Simple Demo Explains Solid, Liquid, and Gas. What's going on with H 2 O molecules when they change from ice to water to vapor? By Jay Bennett Published: Aug 16, 2016 9:30 AM EDT.

Solid, liquid, gas … and something else? While most of us learn about just three states of matter in elementary school, physicists have discovered several exotic varieties that can exist under ...