Science for Kids/Experts

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2012-05-20 chromotography:

Hi Aidau   Suppose you have a mixture of chemicals or a chemical compound and you want to know what is in it. Chromatography is the too we can use. If it is a liquid we can separate the different substances

2012-05-07 egg drop:

If the rules allow it, hard boil the egg.  If the rules allow it, also use masking tape to tape the egg so it stays in one piece.      Use the parts to wrap around the egg to protect it from the fall.

2012-05-07 Fire Alarm:

The system in the You Tube vid is using a bi-metal strip that when heated, closes the circuit and sets off the alarm buzzer and light bulb. The one used was taken out of a thermostat and simply wired with

2012-05-07 Fire Alarm:

Hi Utkarsh,    A fire alarm can be built in several ways.      1) the manual type that you may see in a public building that you physically pull the leaver down and it sets off the system.  This is generally

2012-05-05 Electricity:

Utkarsh,    There are many different kinds of ideas that I can provide but I do not know what you have access to.  This makes it difficult.  Here are some ideas"    1) Electro-plating.  This requires wires

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