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  • Nemat Khalil

    • City, Lebanon
    • Female
    • Position
    • Member Since: May 1, 2012
    • Be yourself; everyone else is already taken. - Oscar Wilde
  • My Published WebQuest(s)

  • The Impact Of Acids And Bases On The Appearance Of Brown Color In Apple
    Apples and other fruit will turn brown when they are cut and the enzyme contained in the fruit (phenolase) and other substances (iron-containing phenols) are exposed to oxygen in the air.
    Subject: Science | Grade: 6-8
    Author(s): Nemat Khalil
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