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Properties of Matter

Quiz by Andrea Smith

Grade 8
Science
Florida Standards

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includes Teacher and Student dashboards

Measures 9 skills from
Grade 8
Science
Florida Standards

SC.8.N.1.1
SC.8.N.1.6
SC.8.P.9.3
SC.8.P.9.2
SC.8.P.9.1
SC.8.P.8.4
SC.8.P.8.3
SC.8.P.8.2
SC.8.P.8.1

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55 questions
Show answers
  • Q1
    What does it mean by identifying variables in a scientific experiment?
    Identifying factors that can change and affect the experiment's outcomes
    Deciding what tools to use for the experiment
    Choosing the topic of the experiment
    Picking the most interesting parts of the experiment
    30s
    SC.8.N.1.1
  • Q2
    What are the basic types of variables in a scientific experiment?
    Past, Present, and Future
    Independent, Dependent, and Controlled
    Input, Output, and Storage
    Positive, Negative, and Neutral
    30s
    SC.8.N.1.1
  • Q3
    What does a scientific investigation usually involve?
    Ignoring all evidence that doesn't support the initial hypothesis
    Collection of relevant empirical evidence, use of logical reasoning, and imagination in devising hypotheses
    Using only one's imagination to devise outcomes
    Guessing possible outcomes without evidence
    30s
    SC.8.N.1.6
  • Q4
    What happens to a chemical reaction when the temperature is increased?
    The reaction rate increases
    The reaction stops
    The reaction does not change
    The reaction rate decreases
    30s
    SC.8.P.9.3
  • Q5
    In some chemical changes, cooling the reaction mixture can lead to what result?
    Speed up the reaction
    Initiate combustion
    Slow down the reaction
    Change the color of the mixture
    30s
    SC.8.P.9.3
  • Q6
    Why does an increase in temperature typically speed up a chemical reaction?
    It reduces the number of particles
    It provides the particles with more energy
    It makes particles less reactive
    It decreases the size of particles
    30s
    SC.8.P.9.3
  • Q7
    What is the key difference between a physical change and a chemical change?
    A physical change involves changes in the form of a substance, while a chemical change involves changes in the chemical properties.
    A chemical change can be reversed, but a physical change cannot
    A physical change can be reversed, but a chemical change cannot
    A physical change involves changes in the chemical properties, while a chemical change involves changes in the form of a substance
    30s
    SC.8.P.9.2
  • Q8
    During science class, you notice that an ice cube slowly starts to melt. What type of change is this?
    Physical Change
    Chemical Change
    Both Physical and Chemical Change
    Neither Physical nor Chemical Change
    30s
    SC.8.P.9.2
  • Q9
    Which of the following is a chemical change?
    Boiling of water
    Dissolving sugar in water
    Burning of wood
    Melting of ice
    30s
    SC.8.P.9.2
  • Q10
    What is an example of a physical change?
    Rusting iron
    Burning gasoline
    Ripping a piece of paper
    Baking a cake
    30s
    SC.8.P.9.2
  • Q11
    In a chemical experiment, 20 grams of substance A reacted with 30 grams of substance B. If the Law of Conservation of Mass applies, how many grams of resultant substance should be produced?
    60 grams
    70 grams
    50 grams
    40 grams
    30s
    SC.8.P.9.1
  • Q12
    If a block of ice melts into water, will the mass stay the same, increase, or decrease according to the Law of Conservation of Mass?
    Increase
    Stay the same
    Decrease
    None of the above
    30s
    SC.8.P.9.1
  • Q13
    According to the Law of Conservation of Mass, when a chemical reaction takes place, what happens to the total mass of the reactants and the products?
    The total mass remains constant
    The total mass increases
    The total mass decreases
    The total mass disappears
    30s
    SC.8.P.9.1
  • Q14
    A piece of wood that weighs 50g is burned and turns into ash and smoke. If the ash weighs 30g, how much does the smoke weigh according to the law of conservation of mass?
    50g
    20g
    10g
    30g
    30s
    SC.8.P.9.1
  • Q15
    In a closed system, what is the result of the mass before and after a physical change according to the Law of Conservation of Mass?
    The mass disappears
    The mass increases
    They are equal
    They are different
    30s
    SC.8.P.9.1

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