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Elements, Compounds, and Mixtures

Quiz by Janice Bixler

Grade 8
Science
Georgia Standards of Excellence

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13 questions
Show answers
  • Q1

    What is the study of the properties of matter and how matter changes?

    Ecology

    Physics

    Biology

    Chemistry

    30s
    S8P1a
  • Q2

    What is the force of attraction between two atoms?

    compound

    chemical property

    chemical bonding

    mixture

    30s
    S8P1a
  • Q3

    Two or more substances that are together in the same place but are NOT chemically combined is a(n)

    compound.

    molecule.

    element.

    mixture.

    30s
    S8P1a
  • Q4

    A pure substance made of two or more elements chemically combined in a set ratio is a(n)

    element.

    atom.

    compound.

    mixture.

    30s
    S8P1a
  • Q5

    A pure substance that cannot be broken down into any other substances is a(n)

    molecule.

    mixture.

    element.

    compound.

    30s
    S8P1a
  • Q6

    The basic particle of a pure substance is a(n)

    element.

    atom.

    molecule.

    compound.

    30s
    S8P1a
  • Q7

    A group of two or more same atoms that are held together by chemical bonds is a(n)

    compound.

    mixture.

    element.

    molecule.

    30s
    S8P1a
  • Q8

    Sort the examples according to what it is.

    Users sort answers between categories
    Sorting
    60s
    S8P1a
  • Q9

    Sort the following.

    Users sort answers between categories
    Sorting
    60s
    S8P1a
  • Q10

    One difference between mixtures and pure substances is that

    pure substances have no chemical bonds.

    mixtures can be physically separated.

    mixtures are made of one type of atom.

    pure substances can be physically separated.

    30s
    S8P1a
  • Q11

    Suppose you have a container filled with iron and sand.  How can you separate the iron from the sand?

    use a magnet

    add baking soda

    melt the sand

    dissolve the sand in water 

    30s
    S8P1a
  • Q12

    What is sand and iron combined?

    a solution

    a molecule

    a compound

    a mixture

    30s
    S8P1a
  • Q13

    Water, H2O, is made up of different elements, hydrogen and oxygen. Is this type of combination a mixture or a pure substance?

    Because water is composed of elements found in the periodic table, it is a pure substance.

    Because water molecules all have a consistent ratio of hydrogen to oxygen, it is a pure substance.

    Because water can be heated and fairly easily turned to steam, it is a mixture.

    Because water is composed of two separate elements, it is a mixture.

    30s
    S8P1a

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