1E Properties of Matter

Physical and Chemical Properties

An exploration of chemical and physical properties and changes. Duration: 12:38.


KM: Fire Water

Kai and Maile show how the Fire Water Hands-On Chemistry activity from the textbook can be used to show both physical and chemical changes. Duration: 2:25.

Distinguishing Physical and Chemical Changes

Examples of both physical and chemical changes are given. Evidence that suggests one change over the other is presented. Duration: 7:36.

How to Balance Chemical Equations

Based on the principle of the conservation of mass, atoms are neither created nor destroyed in a chemical reaction. A chemical equation reflects with principle when it is balanced such that the number of atoms present as reactants equals the number of atoms found as products. Duration: 15:43.