The 20th century was marked by the discovery of exotic states of matter. First, liquid helium was observed to flow without ...

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 ...

The National Institute of Standards and Technology (NIST) has published DNA Mixture Interpretation: A Scientific Foundation Review. This draft report, which will be open for public comment for 60 days ...

Let’s see if we can figure it out states of matter together. Let’s talk about states of matter. You know your states of matter don’t you? We have solids, liquids and gasses, and plasmas, quark-gluon ...