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Build your own rain alarm in this simple experiment
By BookStore on September 25, 20150Many electrical devices are used as early warning systems such as burglar alarms, electric fencing systems and many more....
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Listen to the news by building your own foxhole radio
By BookStore on September 25, 2015A foxhole radio basically consists of only a coil and a detector. You don't need a crystal diode or...
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Build your own intruder detector in this simple experiment
By BookStore on September 25, 2015In this science experiment we will be learning more about electrical current, and how electrical circuits are useful to...
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Test your friends coordination with this electrical device
By BookStore on September 25, 2015When a flash light is switched on, a simple electrical current is instantly completed as the 'electrons' flow from...
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Learn about the concepts of voltage compared to amperage
By BookStore on September 25, 2015For people to advance in the field of electricity it is very important to learn the difference between two...
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Make a quiz board with an electrical circuit connected in series
By BookStore on September 23, 2015When electrical components are connected 'in series', it means that they are connected one after another in a chain....
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Demonstrate how a fuse protect an appliance from excess current flow
By BookStore on September 23, 2015A 'fuse' is used to prevent an appliance from drawing too much current and is also used in electrical...
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Test and compare popular brands of batteries with each other
By BookStore on September 23, 2015Battery commercials and ads always boast how their brand is the very best. Surely, these brands cannot all be...
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Use a solar powered calculator to measure light levels
By BookStore on September 23, 2015In the following science experiment, use the solar cell on a solar powered calculator as a light-measuring device to...
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Find out which battery terminal is positive and which is negative
By BookStore on September 23, 2015How would you know which terminal of a battery is positive and which is negative if it were not...