<iframe width="580" height="385" src="https://www.youtube.com/embed/P-eOtQAcD1s" frameborder="0" allowfullscreen></iframe> <br>Build a circuit using just some copper tape on a piece of paper. My students were struggling to grasp the idea of a parallel circuit, ... <br><a href="https://www.youtube.com/watch?v=P-eOtQAcD1s">source</a>
