This demonstration results in the isolation of DNA from banana. It is very useful for students to see DNA to bring some sense of physical reality to what can be a very abstract topic.
In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to charge a neutral object, a pith ball, by contact. This demo can be done as a student activity. read more
This PowerPoint presentation offers teachers ideas for demonstrations of multiple concepts across grades 9 through 12 chemistry classes. read more
Some examples of simple but effective activities to help students understand better concepts identified as being challenging. Here are examples that might help you with Sig Digs, Kinematics, and... read more