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Build your own rain alarm in this simple experiment
Many electrical devices are used as early warning systems such as burglar alarms, electric fencing systems and many more....
September 25, 20150 -
Listen to the news by building your own foxhole radio
A 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
In 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
When 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
For 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
When 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
A '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
Battery 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
In 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
How would you know which terminal of a battery is positive and which is negative if it were not...
