Site may be a good resource or videos and visuals. Pre-reading material? Lab Tips in Types of Bonds and Orbitals
Covalent bonds are the sharing of electrons to reach octet and ionic are the transfer of electrons from one element to another.
Polar-Covalent Bonds: a bond between two non-metals where the electrons are unequally shared. -Jillian Charland
Non-Polar Covalent Bond: a bond where the electrons are shared equally-Jillian Charland
Exploring chemical bonding | SEP LESSONS
Ionic & covalent bonds worksheet. Available at:https://middleschoolscienceblog.files.wordpress.com/2015/01/ionic-covalent-bonds-practice.pdf.
Breaking Covalent Bonds (with video demonstration) - http://susanevans.org/blog/breaking-covalent-bonds/
covalent bonding - Google Search More
Ionic and Molecular Compounds Infographic misses out giant covalent yet lists SiO2 as covalent example.