An ambitious project to map the density of every object in the cosmos has yielded a few surprises, and may help lead to new insights on some of the strangest bodies in the universe. First up, what ...

But what does that mean? The simple answer is how heavy something is for its size. If something seems very heavy for its size (like a heavy metal object), we say it is more dense. If something seems ...

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 ...

This practical lesson covers syllabus section 1.4 — describing how to determine the density of a liquid, of a regularly shaped solid and of an irregularly shaped solid which sinks (volume by ...

Students will be able to explain that the density of a substance has to do with how heavy it is compared to the size of the object. Students will also be able to explain that density is a ...