1. We have a crisis! We’re running out of equipment. We need to catch who’s doing the damage. You must make an alarm. Use your electromancer skills. Remember – our target is very devious. One alarm signal is easy to defeat. Two signals would be better. Three signals is hard to make – but very effective. Your signals could be a light, a buzzer or a warning fan. 3 Engage Explore Explain Elaborate Extend Evaluate Elicit

3. Write me a detailed report about each part of your devices – how much ‘spark stream’ you need to make your alarm work. Compare the two devices. Draw me diagrams and pictures . Student Sheet 3 8 Engage Explore Explain Elaborate Extend Evaluate Elicit