Science, Maths & Technology

Underwater Torch Challenge Glossary

Updated Saturday 21st July 2007

Some of the key terms associated with making a torch

Electron - Tiny, negatively charged particles.


Ground - Normal.


Light bulb - Invented by Thomas Edison in 1879.


Filament - Wire.


The source can be anything that generates a reasonable voltage but is usually a battery.


 

For further information, take a look at our frequently asked questions which may give you the support you need.

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