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 ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

Georgia’s 2026 legislative session has come to a close, but all bills passed by state lawmakers this year have one final hurdle to clear before they can take effect: Being signed into law by Gov.