Variable Practice Quiz

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  • 1/14 Questions

    Nick wanted to see how high an ice cube would float in different temperatures of water.  Identify the independent variable.  

    • Amount of water
    • Temperature of the water
    • Size of the ice cube
    • Temperature the ice cube was at its highest height
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About This Quiz

This is to help you get more practice identify variables and constants.

Variable Practice Quiz - Quiz

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  • 2. 

    Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights front of the bottom of the container.  Identify a constant.  

    • 3mm holes

    • Different heights of holes in container

    • Distance water traveled out of carton.

    Correct Answer
    A. 3mm holes
    Explanation
    The constant in this experiment is the size of the holes punched in the plastic milk carton, which is 3mm. The researcher is studying how the different heights of the holes affect the distance the water travels out of the carton, but the size of the holes remains constant throughout the experiment.

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  • 3. 

    Tiffany was investigating how fast it took Hayden to react to different sounds.  Identify the independent variable.  

    • Different sounds

    • How much time it took Hayden to react

    • Hayden

    • Playing the trumpet over and over

    Correct Answer
    A. Different sounds
    Explanation
    The independent variable in this experiment is "different sounds". This is because the researcher, Tiffany, is manipulating and controlling the different sounds that Hayden is exposed to in order to observe their effect on his reaction time. The other options, such as "how much time it took Hayden to react" and "playing the trumpet over and over", are not independent variables as they are either the dependent variable or irrelevant to the experiment.

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  • 4. 

    Tiffany was investigating how fast it took Hayden to react to different sounds.  Identify the dependent variable.  

    • Different sounds

    • How much time it took Hayden to react

    • Hayden

    • Playing the trumpet over and over

    Correct Answer
    A. How much time it took Hayden to react
    Explanation
    The dependent variable in this experiment is "how much time it took Hayden to react". This is because the researcher is investigating the relationship between different sounds and Hayden's reaction time. The time it takes Hayden to react is the variable that is dependent on the different sounds being played.

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  • 5. 

    Mr. Kane wanted to see how different types of music affected students' pulse rates.  He plays different types of music: heavy metal, rap, alternative, pop, country, R&B and classical.  What is the independent variable?

    • Classical music resulted in the highest pulse rate

    • Pulse rate

    • Types of music played

    • Mr. Kane

    Correct Answer
    A. Types of music played
    Explanation
    The independent variable in this experiment is the types of music played. The researcher, Mr. Kane, wanted to see how different types of music affected students' pulse rates. Therefore, he manipulated the independent variable by playing different genres of music. This variable is considered independent because it is the variable that is being changed or controlled by the researcher in order to observe its effect on the dependent variable, which in this case is the pulse rate of the students.

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  • 6. 

    Justin usually blows his nose using Kleenex tissues.  He keeps leaking through the tissues.  He decides to create an experiment to try out different types of tissues.  What is his independent variable.  

    • Mass of "snot" the tissue can hold

    • Justin

    • Type of tissue

    • Size of tissue

    Correct Answer
    A. Type of tissue
    Explanation
    The independent variable in Justin's experiment is the type of tissue. This is because Justin is trying out different types of tissues to see if they have different effects on his leaking nose. He wants to determine if certain types of tissues are more effective at containing his "snot" than others. By changing the type of tissue, Justin is manipulating the independent variable to observe any potential differences in the outcome.

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  • 7. 

    Mr. Kane wanted to see how different types of music affected students' pulse rates.  He plays different types of music: heavy metal, rap, alternative, pop, country, R&B and classical.  What constant should be considered when doing this experiment?

    • The amount of time the music is played

    • Types of music

    • Use different students for each type of music

    • Playing no music

    Correct Answer
    A. The amount of time the music is played
    Explanation
    The amount of time the music is played should be considered as a constant when conducting this experiment. This is because the duration of time that each type of music is played can impact the pulse rate of the students. By keeping the time constant, Mr. Kane can ensure that any changes in pulse rate are solely due to the different types of music being played, and not influenced by variations in the duration of exposure to each type of music.

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  • 8. 

    Mr. Kane wanted to see how different types of music affected students' pulse rates.  He plays different types of music: heavy metal, rap, alternative, pop, country, R&B and classical.  What is the dependent variable?

    • Mr. Kane

    • The amount of time the music is played

    • Pulse rate

    • Playing no music

    Correct Answer
    A. Pulse rate
    Explanation
    The dependent variable in this experiment is the pulse rate. The experiment is designed to measure how different types of music affect students' pulse rates. Therefore, the pulse rate is the variable that is being measured and is expected to change in response to the different types of music played.

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  • 9. 

    Justin usually blows his nose using Kleenex tissues.  He keeps leaking through the tissues.  He decides to create an experiment to try out different types of tissues.  What is his dependent variable?

    • Mass of "snot" the tissue can hold

    • Justin

    • Type of tissue

    • Size of tissue

    Correct Answer
    A. Mass of "snot" the tissue can hold
    Explanation
    The dependent variable in Justin's experiment is the mass of "snot" the tissue can hold. This means that the mass of snot is the variable that will be measured and observed in response to the different types of tissues being tested. Justin is conducting the experiment to determine which type of tissue is most effective in holding the mass of snot, making it the dependent variable.

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  • 10. 

    Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights front of the bottom of the container.  Identify the independent variable.  

    • 3mm holes

    • Different heights of holes in container

    • Type of water

    • Distance water traveled out of carton.

    Correct Answer
    A. Different heights of holes in container
    Explanation
    The independent variable in this experiment is the different heights of the holes in the container. This is because the researcher is manipulating and controlling the heights at which the holes are punched in order to observe the effect on the distance that the water travels out of the carton. By varying the heights of the holes, the researcher can determine how this factor influences the outcome of the experiment.

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  • 11. 

    Nick wants to see how high an ice cube would float in different temperatures of water.  Identify the dependent variable.  

    • Temperature of the water

    • Size of the ice cube

    • Height the ice cube floats

    • Amount of water

    Correct Answer
    A. Height the ice cube floats
    Explanation
    The dependent variable in this experiment is the height the ice cube floats. This is because the height the ice cube floats is directly influenced by the temperature of the water. As the temperature of the water changes, it will affect the density of the water, causing the ice cube to either float higher or lower. Therefore, the height the ice cube floats is dependent on the temperature of the water.

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  • 12. 

    Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights front of the bottom of the container.  Identify the dependent variable.  

    • 3mm holes

    • Different heights of holes in container

    • Type of water

    • Distance water traveled out of carton.

    Correct Answer
    A. Distance water traveled out of carton.
    Explanation
    The dependent variable in this experiment is the distance that the water traveled out of the carton. This is because the distance is being measured and is expected to change based on the different heights of the holes punched in the container. The other options provided - 3mm holes, different heights of holes in the container, and type of water - are not the dependent variable as they are not being directly measured or expected to change in response to the independent variable.

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  • 13. 

    Justin usually blows his nose using Kleenex tissues.  He keeps leaking through the tissues.  He decides to create an experiment to try out different types of tissues.  What is 1 constant?

    • Mass of "snot" the tissue can hold

    • Different types of tissues

    • Tissue size

    • Kleenex brand tissues

    Correct Answer
    A. Tissue size
    Explanation
    The constant in Justin's experiment is the tissue size. He wants to test different types of tissues, so the only variable that remains constant is the size of the tissues. By keeping the size constant, Justin can accurately compare the absorbency and effectiveness of different types of tissues in holding his snot.

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  • 14. 

    Justin usually blows his nose using Kleenex tissues.  He keeps leaking through the tissues.  He decides to create an experiment to try out different types of tissues.  What is his control group?

    • Mass of "snot" the tissue can hold

    • Justin

    • Tissue size

    • Kleenex brand tissues

    Correct Answer
    A. Kleenex brand tissues
    Explanation
    The control group in Justin's experiment would be the Kleenex brand tissues. The control group is the standard against which the other groups are compared. In this case, Justin wants to test different types of tissues, so the control group would be the Kleenex brand tissues that he usually uses. By comparing the performance of other tissues to the Kleenex brand, Justin can determine if any of the other tissues are more effective at preventing leakage.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 18, 2014
    Quiz Created by
    Kferrante
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