General Science for Class 7

    Heat Transfer
    Poor conductor of heat is called
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    Transportation in Plants
    Water evaporates from tiny pores on the lower part of leaf. These pores are known as
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    Atoms and Atom Model
    Unstable atoms break up into
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    Respiration and Food Energy
    Tar is a chemical in a cigarette that causes
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    Atoms Molecules and Ions
    Each ‘ozone’ molecule is made up of three
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    Investigating Space
    The ‘sun’ is about
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    Solutions
    In alcohol, salt is
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    Heat Transfer
    In a thermograph, heat is identified by
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    Investigating Space
    Solar panels are orbiting above the earth about
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    Investigating Space
    Fortunately, we can study stars by
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