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 ...

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 ...

A research team has achieved a new milestone in 3D X-ray imaging technology. The scientists have captured high-resolution CT scans of the interior of a large, dense object -- a gas turbine blade -- ...