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Precipitation response: Practical
Formation of precipitates by combining solutions.
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The eye: Construction and function
This collection guides students through the construction and function of the eye on the basis of several investigations.
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Electrolysis: Practical
Electrolysis of a KI solution, HCl solution and NaCl solution. Examination of the obtained substances.
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Polar and apolar molecules: Practical
During this practical the students study the polarity of certain chemical products among themselves and in water.
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Biology: Practicals
These worksheets with practicals on:
- classification into five realms,
- examination of a hay infusion,
- autotrophic protists,
- prevention of bacteria,
- delivery conditions for bacteria and storage techniques for foodstuffs.
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Crystallization and adsorption: Practicum
This test is about crystallization of nitric acid (or another substance) and adsorption of brown sugar dye or activated carbon.
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