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    Salt: Science Lesson


    Next time you鸿运福彩app下载安装 reach for the salt shaker, think about this: what exactly is this common seasoning made of? Table salt is a combination, or a compound, of 2 chemical elements: sodium (Na) and chlorine (Cl). In this lesson, we’ll take a closer look at elements and their atoms, the building blocks of the universe!

    In this lesson you鸿运福彩app下载安装 will:
    • Identify chemical elements and compounds in everyday life
    • Look at what makes up atoms, the building blocks of matter
    • Explore the periodic table of elements

    Photo: Piotr Sosnowski /

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