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Unit 8 - Scientific Method (variables)

Quiz by Kate Downey

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28 questions
Show answers
  • Q1
    You construct the four graphs shown above to show the rate at which four different disease-producing bacteria grow. Which bacterium would produce a disease in the shortest amount of time?
    Question Image
    Bacterium 2
    Bacterium 4
    Bacterium 3
    Bacterium 1
    60s
  • Q2
    You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the dependent variable in this experiment?
    remembering how to get through the maze
    removal of certain part of brain
    60s
  • Q3
    You want to see if playing music makes plants grow taller. What is the dependent variable in this experiment?
    height of plant
    music being played
    60s
  • Q4
    A soap manufacturer wants to prove that their detergent works better to remove tough stains. What is the dependent variable?
    detergent
    removal of stain
    60s
  • Q5
    You want to test a new drug that supposedly prevents sneezing in people allergic to grass. What is the independent variable?
    drug
    grass
    sneezing
    60s
  • Q6
    You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the dependent variable?
    rate of yeast growth
    amount of oxygen
    60s
  • Q7
    You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the independent variable in this experiment?
    removal of certain part of brain
    remembering how to navigate through the maze
    60s
  • Q8
    You want to see if playing music makes plants grow taller. What is the independent variable in this experiment?
    music being played
    height of plant
    60s
  • Q9
    A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the dependent variable?
    adding product X
    the life of the flowers
    60s
  • Q10
    A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the independent variable?
    adding product X
    life of flowers
    60s
  • Q11
    Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his control group?
    amount of tissue
    Kleenex
    type of tissue
    Justin
    60s
  • Q12
    Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify a constant.
    distance water traveled out of carton
    3 mm holes
    ice water from Iceland
    different heights of holes in container
    60s
  • Q13
    Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.
    temperature of water
    temperature the ice cube was at its' highest height
    amount of water
    height of ice cube
    60s
  • Q14
    Tiffany was investing how fast it took Hayden to react to different sounds. Identify the dependent variable.
    playing the trumpet over and over
    Hayden
    how fast Hayden reacted
    how much time it took Hayden to react
    60s
  • Q15
    Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is 1 constant?
    type of tissue
    amount of tissue
    Justin
    mass of the snots the tissue can hold
    60s

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