Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape. In a ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

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 directly ...

Water may seem boring, but it's way weirder than it looks. Scientists in Japan have now shown that when confined to tight spaces, water molecules can behave like both a solid and a liquid ...

The four fundamental states of matter are solid, liquid, gas and plasma, but there others, such as Bose-Einstein condensates and time crystals, that are man-made. When you purchase through links on ...