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The Wonder of Water, Module 4

Across
The phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension.
The process by which results from an experiment are examined by qualified scientist to find sources of error.
Chemical formula of water
The reason that ice floats on water
A liquid substance capable of dissolving other substances
Down
Substances that do have a net charge
The use of electricity to break a molecule down into smaller units.
A picture that represents the most likely structure of a molecule.
The almost-universal solvent
The characteristic of a molecule where there is a slightly negatively charged side and a slightly positively charged side, although there is no net charge on the molecule.
Water that has certain dissolved ions in it - predominately calcium and magnesium ions
A substance that is dissolved in a solvent