Mixtures are defined and examples are given. The formation of a mixture is noted to be a physical change. Duration: 5:15.
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.
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.
Different ways that chemists classify matter are discussed. Note that 100% purity for any macroscopic sample of a material is an ideal state that cannot be practically attained. Duration: 11:52.
Watch these additional videos to complete this tutorial.