| Crystal Growing
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Growing and Comparing Crystals
You will need:
water and the various powders, in the proportions given below
a heat-proof glass container (canning jars work well) for each type of crystal grown
several craft sticks or pencils
string (cotton is best)
several paper clips or washers
means for labelling your containers (masking tape etc.)
Salt Crystals: 1 cup water and 2/3 cup salt
Epsom Salts Crystals: 1 cup water and 2/3 cups Epsom salts
Borax Crystals: 1 cup water and 2/3 cups borax
Method: Prepare your string by cutting a length about 2-3 cm longer than the height of your jar. Tie it to the centre of your craft stick or pencil. Tie a paperclip or washer to the other end of the string to help weigh it down. Repeat for all the jars you will be using. Label your jars.
Candy Making: A multi-stage experiment in making various candy types by heating sugar to various temperatures. This experiment also involves examining the relationship between temperature, crystallization and crystal size.
Frozen Crystal Pops: Make some frozen juice crystals you can eat.
Crystal String Candy: Grow some sugar crystals, then eat them.
Sugar Cube Crystal Castles: Build your own crystal castle.
More Edible Science Experiments including homemeade ice cream, baking ice cream, baking breads, whipping cream and making butter and much more.
Painting with Crystals: Paint a picture or make a card with this easy to make paint.
Crystal Window Paint: This wipe-off window paint makes frosty crystal patterns on any glass surface.
Ice Lanterns: These lanterns are great for winter decorating. See the right sidebar at the link for instructions on how to make them.
More craft ideas can be found here.
Scented Bath Salts Stir up your own bath salts, then colour and layer them for show.
Herbal Bath Salts Use natural herbs to add scent to bath salts.
If you enjoyed these activities and would like to try some more advanced crystal growing, check out the Chemical Institute of Canada's annual crystal growing competition.