Learn about solid, liquids and gases with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

We all know from middle school science class that matter changes between a solid, a liquid, and a gas when you change the temperature or pressure acting on it. (Yes, some elements will change ...

THE low temperature exhibition, which is being arranged by the Science Museum, has already been mentioned in these columns; we now learn from the director of the Museum, Col. E. E. B. Mackintosh ...