Free Science Videos and Lectures

Here is an experiment where sodium reacts with four different acids - 6M HCl, 12M HCl, 6M HNO3 and 15M HNO3.

The reaction with 15M HNO3 is the fastest and 12M HCl is the slowest reaction and it...

This science video contains:
experiment, reaction, sodium, HCl, HNO3, acid, fast, slow, hydrochloric acid, nitric acid

In this experiment we are going to react aluminium with liquid bromine to make aluminum-bromide.

First a layer of bromine is poured into the bottom of a beaker. Then some aluminium powder is...

This science video contains:
liquid, reaction, aluminum, exothermic, aluminium, bromine, bromide, powder, beaker, fume, coating

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

This video shows what different colors the alkali elements burn.

Strontium chloride, barium chloride, sodium chloride and potassium chloride are burned.

This video was done by YouTube user 'nitrex'.

This science video contains:
burning, colors, fire, alkali, strontium chloride, barium chloride, sodium chloride, potassium chloride

The experiment "Volcano" is created using just ammonium dichromate which when burned creates this spectacular volcano effect.

For your information, ammonium dichromate, sometimes known as Vesuvian...

This science video contains:
experiment, burning, fire, volcano, ammonium dichromate, vesuvian fire