No title page for this presentation about single-celled processes and gene recombination means that your class would jump into a set of slides full of relevant and detailed information.  There are many labelled images and diagrams,...

Chemistry aces apply the criss-cross method for finding the formulae of binary compounds. Using aluminum chloride and magnesium oxide as examples, they are guided step-by-step through the process. This is a concise demonstration of this...

The process for balancing chemical equations is stepped through slide by slide in this presentation. For some strange reason, the subscripts for certain elements are not dropped down on the first slide only, so you may want to copy the...

How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local...