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Testing an Alarm
This model shows flowcharts controlling the testing of a smoke alarm. When the test button... full details...
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Effect of Particle Size on Reaction Rate
This activity shows that the smaller the particles of solid are in a reaction involving a solid reactant, the faster the… full details...
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Reactivity of Metals
This activity uses a set of controlled experiments with hydrochloric acid to place some common metals in a reactivity se… full details...
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Vending Machine
This is a demonstration of a vending machine which involves four different drinks. Flowcharts control... full details...
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Calculating Values
This demonstration shows a simple flowchart which will calculate the square and the cube of a given variable, x. Students follow... full details...
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Box Office
This model contains a flowchart that controls the workings of a small cinema box office. There are a limited... full details...
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Car Park Control System
This activity demonstrates arithmetic using flowcharts. The context is a car park controller that counts the number of … full details...
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PBasic - 'for next' Loops
This activity aims to develop students' abilities to program in PBasic by introducing the 'for next' loop structure. Th… full details...
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Push-Pull Driver Dual Rail Supply
This activity shows how two transistors and a dual rail supply can be used to control the direction of a motor. The use… full details...