Perfect for a simple handout for your substitute teacher. Each worksheet is two sided and will occupy students for the class period. They are self explaining so the sub doesn't need science knowledge. Answer keys are included so if there is extra time the sub can review with the class.
Each lesson requires reading comprehension, data analysis, and high level thinking. Worksheets fill two sides so they are easy to make copies.
These are also perfect for that last minute planning when you you need something at the spur of the moment.
5 lessons (a complete week of absences) : The pH scale, Bacteria, Greenhouse Effect, Mass vs. Weight, and Heat Index.