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Project Idea. From the experience of Chemistry Olympiad/ Joint School Science Exhibition. Chemical Lunch Box. Self-heating lunch box Exothermic reactions Iron, oxygen and water Supersaturated solution, e.g. sodium thiosulphate pentahydrate Calcium oxide and water Safety.

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project idea

Project Idea

From the experience of Chemistry Olympiad/ Joint School Science Exhibition

chemical lunch box
Chemical Lunch Box
  • Self-heating lunch box
  • Exothermic reactions
    • Iron, oxygen and water
    • Supersaturated solution, e.g. sodium thiosulphate pentahydrate
    • Calcium oxide and water
  • Safety
new century materials
New Century Materials
  • Compare polystyrene lunch box and biodegradable lunch box
  • Compare wool and superwarm (poly-texapore)
investigative study on polystyrene lunch box and biodegradable one
Investigative study on polystyrene lunch box and biodegradable one
  • Compare
    • Degree of complete combustion
    • Action on heat/ conc. Acid
    • Biodegradability
    • Effect of sunlight
investigative study on wool and superwarm polytexapore
Investigative study on wool and superwarm (polytexapore)
  • Compare
    • Ability to keep warm
    • Stretching ability
    • Resistance to burn
    • Ability to absorb water
amazing miracle
Amazing Miracle
  • Use milk in making
    • Plastic
    • Glue
    • Invisible glove
    • Photographic film
    • Fire resistant paint
toilet save our world
Toilet Save Our World
  • Prepare cellulose acetate
  • Used to prepare a membrane for reverse osmosis
  • To filter sea water to water with lower salinity
    • Use for cleaning & irrigation
home chemistry
Home Chemistry
  • Ketchup to clean the copper coins
  • Use soda, aluminium can to clean silver plate
functions of teacher
Functions of teacher
  • Introduce the project and gives some initial idea
  • Arrange time for discussion, doing expt and correct for report
  • Training their presentation
resources
Resources:
  • Journal of Chemical Education
  • http://www.twingroves.district96.k12.il.us/ScienceInternet/ChemTopics.html
  • http://members.ozemail.com.au/~macinnis/scifun/projects.htm
  • Look around