Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

are used in science to help explain scientific concepts. The particle model is the name for the diagrams used to draw solids, liquids and gases ... the same during the experiment.

Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a ...

Discovering a new class of matter in the lab of Chiara Daraio at Caltech, researchers have identified a type of material that uniquely responds to stress, behaving like a fluid under some conditions ...

The concepts of creation and destruction are fundamental to current scientific theories regarding the origin of the Earth.