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Module J Unit 3 Lesson 1

Quiz by Candace Fleming

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10 questions
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  • Q1
    Which process is an example of a chemical change?
    drying clothes in the dryer
    heating a cup of tea
    cooking a steak
    chopping a tree
    30s
  • Q2
    Which property could be used to identify a substance?
    mass
    volume
    density
    weight
    30s
  • Q3
    In the laboratory, Austin is given a mixture of iron fillings, sand, and salt. To separate the mixture, Austin uses a magnet, boiling water, and a filter. Which statement is true about the process Austin uses to separate this mixture?
    Austin uses both physical and chemical changes to separate the mixture's components.
    Austin uses only physical changes to separate the mixture's components.
    Austin uses neither physical nor chemical changes to separate the mixture's components.
    Austin uses only chemical changes to separate the mixture's components.
    30s
  • Q4
    Which statement indicates that a chemical reaction has taken place?
    A puddle is produced by melting an ice cube.
    An odor is produced by burning a sugar cube.
    A loud noise is produced by crushing a can.
    A shard of glass is produced by breaking a bottle.
    30s
  • Q5
    A chemical reaction occurs. Which statement is true of the reactants and the products in the reaction?
    The atoms in the reactants were regrouped into different molecules to form the products.
    The atoms in the products were destroyed and new molecules appeared to form the reactants.
    The atoms in the reactants were destroyed and new molecules appeared to form the products.
    The atoms in the products were regrouped into different molecules to form the products.
    30s
  • Q6
    A students observed a precipitate form during a chemical reaction. Which of the following did the student most likely observe?
    A solid sank to the bottom of a container when two liquids were mixed.
    Bubbles of gas floated to the top of a solution.
    Steam rose from a flask when a powder was added to a liquid.
    The color of a liquid changed when a solid was added to it.
    30s
  • Q7
    Which process is an example of a chemical change?
    An antacid tablet is added to water and bubbles are produced.
    An aspirin tablet is crushed into a fine powder.
    Water droplets form on the outside of a cold drink glass.
    Salt mixes with water and dissolves.
    30s
  • Q8
    A science class did an experiment in which two substances were mixed. After 15 minutes, everything looked the same, but the students noticed an odor coming from the experiment. What does this likely indicate?
    A liquid was formed.
    A chemical reaction occurred.
    A physical change occurred.
    A temperature change occurred.
    30s
  • Q9
    Use the picture to answer the question. Which of the following is the best evidence that a chemical change has taken place?
    Question Image
    The apple has changed shape.
    The apple is in two pieces.
    The apple is smaller in size after cutting.
    The apple is turning brown.
    30s
  • Q10
    Two metal samples are each placed in a beaker containing the same solution. Based on what you observe in the beakers, which of the following statements is true?
    Question Image
    New substances are formed in each beaker.
    Chemical reactions are unpredictable.
    Chemical reactions can always be seen.
    The two samples of metal are different substances.
    30s

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