Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Steve explores the properties of physical matter and the process of photosynthesis. Steve explores the properties of physical matter and then goes deep inside the magical plant world of photosynthesis ...

THE investigation to which this note refers has occupied me, with little intermission, since my former communication in 1869 to the Society, “On the Continuity of the Liquid and Gaseous States of ...

Physical chemists are focused on understanding the physical properties of atoms and molecules, the way chemical reactions work, and what these properties reveal. Their discoveries are based on ...

Statistical mechanics offers a foundational framework for translating the vast complexities of microscopic interactions into comprehensible macroscopic phenomena, such as phase transitions and ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Like everything we see in the world, isotopes are a type ...

Information could become the fifth state of matter alongside gas, plasma, liquid, and solid states. A scientist has proposed an experiment involving particle annihilation that could establish that ...

Describing natural phenomena with geometric language is one of the most important achievements of modern physics. In the context of general relativity, Einstein treats spacetime as a dynamic geometric ...