Click on the links below to learn more about these reactions

The Ammonium Dichromate "Volcano" Reaction

The decomposition of ammonium dichromate; once ignited it throws off a shower of sparks and looks like an erupting volcano.
Copper Metal and Nitric Acid

The reaction betweeen copper metal and concentrated ntric acid, in which the copper is oxidixed and the nitrate ion is reduced to ntrogen dioxide gas, which comes off as a brown cloud.
Aluminum and Bromine

The spectacular reaction between aluminum and elemental bromine.
Calcium Carbide and Water

The reaction between calcium carbide and water, which produces flammable acetylene gas.
The "Instant Fire" Reaction

The violent and spectacular reaction between potassium chlorate and sugar.
Zinc and Sulfur

The spectaular reaction between elemental zinc and sulfur