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Science Education Project ﻣﺸﺮﻭﻉ ﺗﻌﻠﻴﻢ ﺍﻟﻌﻠﻮﻡ1 ﺼﻨﻊ ﺍﻷﻟﻴﺎﻑ ﺍﻟﺒﺼﺮﻳﺔ؟ ﻣﻢ ﺗ ﻭﺍﻵﻥ ﻭﻗﺪ ﻋﺮﻓﻨﺎ ﻛﻴﻒ ﺗﻌﻤﻞ ﺃﻧﻈﻤﺔ ﺍﻷﻟﻴﺎﻑ ﺍﻟﺒﺼﺮﻳﺔ ﻭﻟﻢ ﻫﻲ ﻣﻔﻴﺪﺓ٬ ﺣﺎﻥ ﺍﻟﻮﻗﺖ ﻟﻤﻌﺮﻓﺔ ﻛﻴﻔﻴﺔ ﺻﻨﻌﻬﺎ. ﺼﻨﻊ ﻫﺬﻩ ﺍﻷﻟﻴﺎﻑ ﻣﻦ ﺯﺟﺎﺝ ﻋﺎﻟﻲ ﺍﻟﺸﻔﺎﻓﻴﺔ ٬ ﻟﻜﻦ ﻛﻠﻤﺎ ﻛﺎﻥ ﺍﻟﺰﺟﺎﺝ ﺃﺳﻤﻚ ﻛﻠﻤﺎ ﻛﺎﻥ ﺃﻗﻞ ﺷﻔﺎﻓﻴﺔ ﺑﺴﺒﺐ ﺍﻟﺸﻮﺍﺋﺐ ﺍﻟﻤﻮﺟﻮﺩﺓ ﻓﻴﻪ٬ ﻟﻜﻦ ﺍﻷ ﻓﻲ ﺍﻟﻤﺴﺘﺨﺪﻡ ﺍﻟﺰﺟﺎﺝ ﺍﻟﻌﺎﺩﻱ ﺍﻟﺰﺟﺎﺝ ﻣﻦ ﺷﻔﺎﻓﻴﺔ ﺃﻗﻞ ﺍﻟﺒﺼﺮﻳﺔ ﻟﻴﺎﻑ ﺍﻟﻤﺴﺘﺨﺪﻡ ﻓﻲ ﺍﻟﻨﻮﺍﻓﺬ٬ ﻭﻭﺻﻔﺖ ﺇﺣﺪﻯ ﺍﻟﺸﺮﻛﺎﺕ ﺟﻮﺩﺓ ﺍﻟﺰﺟﺎﺝ ﺑﺄﻧﻪ ﺇﻥ ﻛﻨﺖ ﻋﻠﻰ ﺳﻄﺢ ﺍﻟﻤﺎء ﻓﻲ ﻭﺳﻂ ﻣﺤﻴﻂ ﺗﻤﺘﺪ ﺍﻷﻟﻴﺎﻑ ﻓﻲ ﻗﺎﻋﻪ ﻟﻌﺪﺓ ﺃﻣﻴﺎﻝ ﻓﺈﻧﻪ ﻳﻤﻜﻨﻚ ﺭﺅﻳﺔ ﺍﻟﻘﺎﻉ ﺑﻜﻞ ﻭﺿﻮﺡ. ﻭﻳﺘﻄﻠﺐ ﺻﻨﻊ ﺍﻷﻟﻴﺎﻑ ﺍﻟﺰﺟﺎﺟﻴﺔ ﺍﻹﻟﺘﺰﺍﻡ ﺑﺎﻟﺨﻄﻮﺍﺕ ﺍﻟﺘﺎﻟﻴﺔ: 1 ﺻﻨﻊ ﺇﺳﻄﻮﺍﻧﺔ ﺯﺟﺎﺟﻴﺔ ﺫﺍﺕ ﺷﻜﻞ ﻣﻌﺪ ﻣﺴﺒﻘﺎ. 2 ﺳﺤﺐ ﺍﻷﻟﻴﺎﻑ ﻣﻦ ﻫﺬﺍ ﺍﻟﺸﻜﻞ. 3 ﺍﺧﺘﺒﺎﺭ ﺍﻷﻟﻴﺎﻑ. ﺍﻟﺸﻜﻞ ﺍﻟﺨﺎﻟﻲ ﺍﻟﺠﺎﻫﺰ ﺗﺴﻤﻰ ﻋﻤﻠﻴﺔ ﺻﻨﻌﻪ ﺏ" ﺗﺮﺳﻴﺐ ﺍﻟﺒﺨﺎﺭ ﺍﻟﻜﻴﻤﻴﺎﺋﻲ ﺍﻟﻤﻌﺪﻝ." ﺧﻄﻮﺍﺕ ﺻﻨﻊ ﺍﻷﻟﻴﺎﻑ ﺍﻟﺰﺟﺎﺟﻴﺔ

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