Animations of atoms of carbon and oxygen to show how a covalent bond is formed. They discuss how covalent bonding is the sharing of electrons. Only the formation of single bonds is mentioned. A summary of the differences between ionic bonding and covalent bonding is given at the end.
This clip could be used to introduce the concept of covalent bonding. After watching it, students could be asked to draw atomic diagrams to show the formation of covalent bonds and to discuss other examples of covalent bonding.