19.1 Most Materials Are Mixtures

An Introduction to Mixtures

Mixtures are defined and examples are given. The formation of a mixture is noted to be a physical change. Duration: 5:15.

Separating Mixtures

The components of a mixture are separated from one another by taking advantage of differences in their physical properties. Various examples are shown. Duration: 6:25.

Locard's Principle

The big is made from the small, which means the big sheds the small to great consequences, from volcanoes to household dust, the burglar's bane. Duration: 5:15

KM: Boiled Tap Water

Kai and Maile show the set-up for performing the "Confirm the Chemistry" activity entitled "Bottoms Up and Bubbles Out". Various safety features are also discussed. Duration: 2:53.