Select ten major concepts form the first ten chapters of the book you are now using. Classify those concepts as concrete and formal. Simplify the table on page 127 into two types of concepts. If materials can provide direct experience with the concept, it is concrete. Formal concepts are abstract.
Some concepts have both concrete and formal aspects.
You could start with the sites that are listed on our web page. You want to find a good internet site for chemistry teachers that is not on that list. Be able to give the internet address and a brief description of the site. Click here for a copy of the learning cycle outline. Your unit outline is a one-page list of topics, showing where this learning cycle would fall in your curriculum.