Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." Superfluids, such as ultracold atomic gases or helium-4 below specific ...
Density describes substances based on much mass they have in a certain volume. Less dense solutions and objects float on top of solutions of greater density. Disposal: Pour the liquids out of the ...