var fDesc=new Array(); fDesc[0] = "Basic Circuits Challenge consists of a set of fifteen activities to help you teach basic electrical concepts. Exercise Titles: Electric Ideas, Electrical Components, Powers of Ten, Color Codes, Ohm’s Law One, Ohm’s Law Two, Power One, Power Two, Series Voltage Sources, Series Circuits One, Series Circuits Two, Parallel Circuits One, Parallel Circuits Two, Series Parallel Circuits One and Series Parallel Circuits Two

Basic Circuits Challenge is an interactive computer program designed to help teach powers of ten, color codes, Ohms Law, series circuits, parallel circuits, combination circuits, and other topics.

Features:

- Each use of an activity has new component values and parameters assigned.

- Student responses are scored and corrected immediately.

- Detailed worked examples of each process and procedure.

- Activities have context sensitive help to provide formulas when required."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }