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Independent and dependent variables

Quiz by Sonya Guy

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11 questions
Show answers
  • Q1
    What do we call the variable that we change in an experiment?
    independent variable
    control variable
    dependent variable
    constant
    30s
  • Q2
    In an experiment to test how sunlight affects plant growth, which variable would be considered the dependent variable?
    type of plant
    amount of sunlight
    plant growth
    soil type
    30s
  • Q3
    Which variable is measured to see how it changes in response to the independent variable?
    manipulated variable
    controlled variable
    dependent variable
    independent variable
    30s
  • Q4
    In a study where researchers look at how different amounts of water affect the height of plants, what are the independent and dependent variables?
    Independent: height of plants; Dependent: amount of water
    Independent: soil type; Dependent: height of plants
    Independent: type of plant; Dependent: amount of water
    Independent: amount of water; Dependent: height of plants
    30s
  • Q5
    In an experiment testing how the amount of fertilizer affects crop yield, which one is the dependent variable?
    crop yield
    type of fertilizer
    duration of the experiment
    amount of fertilizer
    30s
  • Q6
    If you change the amount of time plants receive sunlight each day to see how it impacts their growth, what is the dependent variable?
    amount of sunlight
    growth of the plants
    soil moisture
    type of plants
    30s
  • Q7
    In an experiment studying how different speeds of a toy car affect the distance it travels, what is the independent variable?
    speed of the toy car
    distance traveled
    type of toy car
    surface type
    30s
  • Q8
    In a science experiment to find out how the amount of sugar affects the rate at which a dissolved substance disappears in water, what is the dependent variable?
    type of substance
    rate at which the substance disappears
    temperature of water
    amount of sugar
    30s
  • Q9
    In an investigation on how varying levels of exercise impact heart rate, which of the following is the dependent variable?
    The age of the participants
    The heart rate
    The amount of exercise
    The type of exercise
    30s
  • Q10
    In a study where researchers want to see how different sleep durations affect concentration levels in students, what is the independent variable?
    The subjects studied
    The sleep duration
    The age of the students
    The concentration levels
    30s
  • Q11
    In an experiment to find out how the amount of salt in water affects the buoyancy of objects, what is the dependent variable?
    The amount of salt
    The type of objects
    The buoyancy of objects
    The temperature of the water
    30s

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