and NE coordinates the 200km error allowed? (i will attempt to scan the anomalies at the area ... the success would be quite unlikely but ńot impossible )

Energy Stick - Create Human Circuits Energy Stick - Create Human Circuits

Les, I will put your circuit together as soon as I get a chance and let you know how it goes. I think it looks great. Children should demonstrate their understanding of how an electrical circuit works by drawing an accurate diagram, including using the correct symbols for older children.

Give children a mixture of components. Let them try creating simple series circuits using different combinations of electrical components. While they are exploring, make sure you are asking them questions and prompting them to make predictions about what they think will happen. It can be useful to provide children with a bulb without the holder so that they have to work out where the wires need to connect and the complete circuit is more clearly visible.

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people are also unaware of "normal" = if your class thinks your strange you may loose your prestige ... worse - it may take one "schizo" parent to complain for you to loose your job ?

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if you can come up anything that may trigger their motivation to learn more about the subject - the weirdness of the experiment likely fall to a secondary option

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I was in Barnes and Noble last week and was looking at their STEM educational kits. They had one that was an FM radio and said on the outside that you would learn how an FM radio works. But the kit consisted of a potentiometer, some wire, a speaker, a battery holder, and a circuit board with a blob of epoxy over the middle of it. Yep -- gonna really learn a lot from that hand-on project. It would also help to provide an actual schematic. The drawing you have doesn't even indicate which pins are what on the two transistors. Don't make people assume or guess. Also, we have no idea what the circuit board is going, so it's going be very hard to tell you how to get things to do what you want. Is the board needed for the thing to work at all, or can the LED light up if the board is removed and the output wires tied directly to the battery? Explain the theory of operation behind your approach -- how does connecting the two ends by a very, very high resistance connection result in operation?

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Provide opportunities for children to apply their growing knowledge by conducting simple investigations. For example, what happens when they add an extra motor, use a battery with a higher voltage, change the length of the wires etc.? I guess I shouldn't be too surprised when some math books "teach" exponentials and logarithms by showing pictures of which button to press on a calculator when you see one in a formula. Soak up some raysand Super spinning wireare useful videos for inspiring them to apply their learning. Curly coiland Battery bonanzawill help introduce children to the different components within a circuit. Inside out, Electrifying metalsand Interesting insulatorsare good for starting a discussion about which materials are good conductors and good insulators.

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Again, linking this to other everyday examples (e.g. switching on the classroom lights, turning on the TV etc.) will help to strengthen their understanding.My theory behind what I think the operation should be is that when there is a very slight flow of current through the circuit (of children holding hands) it is sufficient to turn the 2N2222 BJT on and then the LED. Using just one BJT wasn't sufficient so I made a Darlington Pair to increase the current gain. My thinking is that the 2N2222 BJT won't stand 0.66A current which I want through the High Powered LED so the next best thing in my toolbox is the Mosfet.