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Make a Dancing Steam Engine out of a empty Coke can!
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure...
ExperiHub’s Session on Sublimation at School Vidya
At normal pressures, most chemical compounds and elements possess three different states at different temperatures. In these cases, the transition from the solid to...
Seed Germination – Time Lapse
Seed germination depends on both internal and external conditions. The most important external factors include right temperature, water, oxygen or air and sometimes light or darkness. Various...
The Elephant Toothpaste
Elephant toothpaste is a foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide or...
Permutation and Combination
Permutation and combination are the ways to represent a group of objects by selecting them in a set and...
Food and Nutrition
The human body is like an engine. And just like every engine, it needs fuel, in the form...
Chemistry of Respiration
Why do we respire? Before we understand respiration, let’s do a few experiments. You might be aware...
The invisible force (Electricity & Magnetism)
It is not even 150 years when James Maxwell confirmed that electricity and magnetism were not different forces...
Newton’s World (Force around us)
Can you imagine a world where nothing ever changes? No one moves. Nothing even stirs. Like a dead,...