3rd Singapore National Crystal Growing Challenge

Year 1999

Instructions on the Competition

For safety reasons, all experiments must be performed under the supervision of a school teacher/lecturer.


Junior Level

Potassium Nickel Sulphate
Dissolve 200g Potassium Sulphate and 200g Nickel sulphate Hexahydrate in water.

Entries in the Junior Level will be judged on: Clarity, shape and yield of the crystal.


Senior Level

Barium Nitrate with 0.5% Methylene Blue(w/w)
Dissolve 200g Barium Nitrate with methylene blue in water.

Entries in the Senior Level will be judged on: Clarity, shape and yield of the crystal.


Open Level

In order to comete in the category, participating institutions should have submitted entries for the above categories.

Participants in this category are required to grow a crystal from any organic/organometallic compound of their choice.

The main objective of this category is to provide students with an opportunity to exercise their creativity individuality and scientific knowledge.

Entries in this level will be judged on: originality, chemical knowledge and quality of the crystal.

 

Chemical Suppliers
Supplier Telephone No. Fax No.
Sino chemical Co Pte Ltd 261-9311 264-2241
Tee Hai Chem Pte Ltd 862-5655 862-5855
Merch (S) Pte Ltd 863-1800 863-6800
Sigma-Aldrich Pte Lte 271-1089 271-1571

 

Winners List

Junior Category

First Prize:        Methodist Girls' School (Team 1 & Team 2)
Second Prize:    River Valley High School (Team 2)
Third Prize:       Commonwealth Secondary School
 

Senior Category

First Prize:        National Junior College
Second Prize:    Temasek Polytechnic
Third Prize:       Anderson Junior College
 

Open Category

First Prize:        Methodist Girls' School (Team 2)
Second Prize:    The Chinese High School
Third Prize:       National Junior College(Team 2)

        

         

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