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  2. Lemon battery - Wikipedia

    en.wikipedia.org/wiki/Lemon_battery

    Many fruits and liquids can be used for the acidic electrolyte. Fruit is convenient, because it provides both the electrolyte and a simple way to support the electrodes. The acid involved in citrus fruits (lemons, oranges, grapefruits, etc.) is citric acid. The acidity, which is indicated by the measured pH, varies substantially.

  3. Biobattery - Wikipedia

    en.wikipedia.org/wiki/Biobattery

    Like any battery, bio-batteries consist of an anode, cathode, separator, and electrolyte with each component layered on top of another. Anodes and cathodes are the positive and negative areas on a battery that allow electrons to flow in and out. The anode is located at the top of the battery and the cathode is located at the bottom of the battery.

  4. Science fair - Wikipedia

    en.wikipedia.org/wiki/Science_fair

    A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.

  5. History of the battery - Wikipedia

    en.wikipedia.org/wiki/History_of_the_battery

    Another problem with Volta's batteries was short battery life (an hour's worth at best), which was caused by two phenomena. The first was that the current produced electrolyzed the electrolyte solution, resulting in a film of hydrogen bubbles forming on the copper , which steadily increased the internal resistance of the battery (this effect ...

  6. The Most Surprising Fruits Commonly Mistaken for Vegetables - AOL

    www.aol.com/lifestyle/food-most-surprising...

    Merriam-Webster defines "fruit" as "the usually edible reproductive body of a seed plant." Most often, these seed plants are sweet and enjoyed as dessert (think berries and melons), but some ...

  7. Ripening - Wikipedia

    en.wikipedia.org/wiki/Ripening

    During fruit ripening, gluconeogenesis also increases. [9] Acids are broken down in ripening fruits [12] and this contributes to the sweeter rather than sharp tastes associated with unripe fruits. In some fruits such as guava, there is a steady decrease in vitamin C as the fruit ripens. [13]

  8. Food preservation - Wikipedia

    en.wikipedia.org/wiki/Food_preservation

    Another type of jellying is fruit preserves, which are preparations of cooked fruits, vegetables and sugar, often stored in glass jam jars and Mason jars. Many varieties of fruit preserves are made globally, including sweet fruit preserves, such as those made from strawberry or apricot, and savory preserves, such as those made from tomatoes or ...

  9. Pomology - Wikipedia

    en.wikipedia.org/wiki/Pomology

    Pomology (from Latin pomum, "fruit", + -logy, "study") is a branch of botany that studies fruits and their cultivation. Someone who researches and practices the science of pomology is called a pomologist. The term fruticulture (from Latin fructus, "fruit", + cultura, "care") is also used to describe the agricultural practice of growing fruits ...