In this colon worksheet, students form sentences with colons to introduce lists in the sentences. Students complete 9 sentences total.

This site from the University of Massachusetts links to downloadable freeware (Rasmol and CHIME) which are required to view 3-D images common on organic chemistry tutorials.

At this one page site you can work through step by step a sample problem that illustrates the problem solving strategy for "Make a list." The answer is right there to help you check your thinking.