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NCSCOS Grade 8 Physical Science - 8.P.1 Diagnostic Matter

Quiz by NCDPI

Grade 8
Science
North Carolina Standard Course of Study

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10 questions
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  • Q1
    In a solution, the parts of the solution are mixed
    chemically
    physically
    only in water
    by electronic means
    30s
    8.P.1.1
  • Q2
    Using the diagram, what is true about matter as it changes states?
    Question Image
    As matter moves from gas to solid, it gains atoms as they multiply.
    As matter moves from liquid to solid, atoms spread out
    As matter moves from solid to gas, atoms slow down and compact.
    As matter moves from solid to gas, atoms speed up and spread out.
    30s
    8.P.1.1
  • Q3
    All of the statements are true about the arrangement of elements in the periodic table EXCEPT that the
    rare earth elements are in the first column, on the left.
    transition metals are in the center of the periodic table.
    inert gases are in the group farthest to the right.
    metals are found on the left side of the periodic table.
    30s
    8.P.1.2
  • Q4
    A column on the periodic table is called a
    Question Image
    seried
    period
    set
    group
    30s
    8.P.1.2
  • Q5
    How are the elements in the periodic table arranged?
    by increasing atomic number
    alphabetically
    solid to liquid to gas
    by the year they were discovered
    30s
    8.P.1.2
  • Q6
    In your lab group you combined vinegar and water and observed the results shown in the picture. Choose the evidence that supports that a chemical change has occurred.
    Question Image
    The color changed.
    The baking soda dissolved.
    The size changed
    Bubbling occurred.
    30s
    8.P.1.3
  • Q7
    What is the difference between a chemical and a physical change?
    A chemical change does not change the arrangement of atoms and a physical change DOES change the arrangement of atoms.
    During a chemical change, the substance stays the same.
    A chemical change does not produce a new substance, and a physical change DOES produce a new substance
    A chemical change is irreversible and a physical change is reversible
    30s
    8.P.1.3
  • Q8
    What must be true for a chemical equation to be balanced?
    All the molecules are broken down
    The exact same number of atoms of each element are on each side of the equation.
    All the same elements are present on each side of the equation
    The same total number of atoms must be the same, it doesn't matter which element they are
    30s
    8.P.1.4
  • Q9
    In this picture, which box on the right is correct according to the Law of Conservation of Mass?
    Question Image
    A
    C
    B
    D
    30s
    8.P.1.4
  • Q10
    What is the difference between an element and a compound?
    A compound can be found on the periodic table, an element is not found there.
    A compound is represented by a single letter, an element is two or more different letters
    Element is a pure substance of only one kind of atom, a compound is two or more different elements bonded together
    Compound is a pure substance of only one kind of atom, an element is two of mor different compounds bonded together
    30s
    8.P.1.2

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