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 ...

that density is a characteristic property of water. Supplement in-class learning with interactive, multimedia-rich Google Forms lesson modules, perfect for reinforcing key chemistry concepts and ...

If something seems light for its size (like a bag of cotton or pumice rock), then we say it has low density. Mass is the amount of matter in an object. Volume is how much space the object takes up.

It's random, I know, but let's have some fun with it! Here's our friend Delia Navarro at the Bakersfield Sylvan Learning Center with a lesson in density using a golf ball.

Planners and anti-suburb activists tend to promote density as a cure-all for America's urban centers, including Portland's. But here's some pushback from the blog "Newgeography," by Rick Harrison ...