Free Science Videos and Lectures

A metal crucible is filled with iron-oxide and aluminum. A small amount of potassium, sugar and chloride is placed on top of iron-oxide aluminum mixture. A few drops of concentrated sulphuric acide...

This science video contains:
iron, reaction, potassium, iron oxide, aluminum, chloride, sulphuric acid, exothermic, mixture, reduction

The ice bomb illustrates the fact that the volume of ice is greater than the volume of an equal mass of liquid water.

Some cold water is poured into a cast iron bomb and a threaded plug is screwed...

This science video contains:
explosion, water, iron bomb, ice, iron, plug, dry ice, aceton, freeze, pressure