Thames & Kosmos Crystal Creation handleiding

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Thames & Kosmos

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Handleiding

WHAT’S HAPPENING

Crystals separate out from the solution

and grow in the mold you have selected.

After a few days, they will completely fill

up the mold and create a design in its

shape.

Crystal designs

YOU WILL NEED

› the remaining alum and ammonium biphos-

phate solutions (from the storage containers)

› plaster mold

› pot with hot water (no longer boiling)

› paper towels, potholder, and hot pad or trivet

HERE'S HOW:

1. Heat the solutions again in a water bath,

because more crystals will have grown in

them since the last experiment.

2. Let the solutions briefly cool and pour each

solution into a different mold depression. Do

not mix the solutions. You can reheat the

remaining solution and use it to fill the mold

once it has cooled, in case too much water

evaporates.

3. After several days, crystals will form on the

floor of the mold. Refill the mold with more

solution until it is completely filled with

crystals and you have gotten a crystal heart

(or other shape). Pour the rest of the solution

down the drain and let the crystals dry on a

sheet of paper towel. Keep them out of the

reach of small children.

Be careful when handling

hot water! Wear your

safety glasses!

let stand

ammonium

biphosphate

solution

alum solution

EXPERIMENT 6

The Magical World of Crystals

Bekijk gratis de handleiding van Thames & Kosmos Crystal Creation, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.