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 ...

Density is a measure of how much mass an object has per unit volume. Density is a compound measure because mass and volume can’t be measured in the same units. Objects denser than water sink, while ...

Density describes how closely packed the particles are in a solid, liquid or gas. in a solid ‐ particles are tightly packed in a regular structure in a liquid ‐ particles are tightly packed but free ...

Powder is a collection of single solid particles, which in most cases may be considered a basic unit. Powder is typically comprised of solid particles, interparticle voids, as well as open and closed ...