The use of light to manipulate electronic states of matter has been a subject of intense investigation since almost two centuries, starting from Becquerel’s 1839 discovery of the photovoltaic effect, ...

Researchers have discovered that not all atoms in a liquid are in motion and that some remain stationary regardless of the ...

In this lab, you will fill out a foldable on the three primary states of matter. Then you will watch a video showing ice melting from a solid to a liquid and boiling from a liquid to a gas. After ...

Researchers have discovered that not all atoms in a liquid are in motion and that some remain stationary regardless of the temperature, significantly impacting the solidification process, including ...

Plasma happens when gas gets heated to a very high temperature and the atoms lose their electrons. Find out more about this state of matter. Science Trek is available to stream on pbs.org and the free ...