MindWare Crystal Hedgehogs Скачать руководство пользователя страница 2

INGREDIENTS

SAFETY RULES

Not suitable for children under 8 years. For use under 
adult supervision.
Contains some chemicals which present a hazard to 
health.
Read the instructions before use,follow them and keep 
them for reference.
Do not allow chemicals to come into contact with any 
part of the body, particularly the mouth and eyes.
Keep small children and animals away from experiments.
Keep the experimental set out of reach of children under 
8 years of age.

WARNING

OBSERVATIONS

STAGES OF CRYSTALLIZATION

There are three major stages in which crystallization happens.

1. Saturation of the Solution - solution is saturated when no more chemical 

will dissolve.

2. Nucleation - during this stage in the initial formation of crystals begins.

3. Crystal Growth - the stage in which crystals begin to form as you grow 

your crystal hedgehog, you will observe each of these stages. Record your 

observations as the crystallization occurs. Observations can include the 

length of time it takes for your solution to become saturated, the rate at 

which the crystallization occurs and notes about on which day the most 

crystal growth occurred.

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Roseville, MN 55113

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