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  2. Ammonia fountain - Wikipedia

    en.wikipedia.org/wiki/Ammonia_fountain

    As a result, more water is forced into the container from another inlet creating a fountain effect. The demonstration introduces concepts like solubility and the gas laws at entry level. An ammonia fountain demonstration. A different gas of comparable solubility in water, such as hydrogen chloride, can be used instead of ammonia. [2]

  3. From blowing frozen bubbles to throwing boiling water: The ...

    www.aol.com/weather/blowing-frozen-bubbles...

    The boiling water trick. The boiling water trick is one of the more popular experiments featured on social media during cold weather. As experimenters throw steaming water, a white cloud is left ...

  4. Mesocosm - Wikipedia

    en.wikipedia.org/wiki/Mesocosm

    Mesocosm experiments also tend to include replication of different treatment levels. Manipulating something can give an idea as to what to expect if something were to occur in that ecosystem or environment. [2] For indoor mesocosms, growth chambers grant greater control over the experiment. [2]

  5. Distilled water - Wikipedia

    en.wikipedia.org/wiki/Distilled_water

    Low-volume humidifiers such as cigar humidors can use distilled water to avoid mineral deposits. [5] Certain biological applications require controlled impurities, especially in experiments. For example, distilling water to be added to an aquarium would remove known and unknown non-volatile contaminants. Living things require specific minerals ...

  6. 5 DIY experiments mini scientists can do at home - AOL

    www.aol.com/5-diy-experiments-mini-scientists...

    If you’re looking for fun and educational ways to occupy your mini scientists, try these 5 DIY experiments. The post 5 DIY experiments mini scientists can do at home appeared first on In The Know.

  7. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    The conductivity of water is measured in Siemens per meter (S/m). Sea-water is typically 5 S/m, [5] drinking water is typically in the range of 5-50 mS/m, while highly purified water can be as low as 5.5 μS/m (0.055 μS/cm), a ratio of about 1,000,000:1,000:1. Purified water is used in the pharmaceutical industry.

  8. Water-level task - Wikipedia

    en.wikipedia.org/wiki/Water-level_task

    The water-level task is an experiment in developmental and cognitive psychology [1] [2] [3] [4] [5] developed by Jean Piaget and Bärbel Inhelder. [6] [1] The ...

  9. Collapsing can - Wikipedia

    en.wikipedia.org/wiki/Collapsing_can

    Collapsing can or can crusher experiment is a demonstration of an aluminum can being crushed by atmospheric pressure. Due to the low pressure inside a can as compared to the pressure outside, the pressure outside exerts a force on the can causing the can to collapse.

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