Unit 1: Scientific Variables And Investigations

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Unit 1: Scientific Variables And Investigations - Quiz
About This Quiz

This quiz assesses understanding of scientific variables and experimental design, focusing on control, manipulated, and responding variables through practical scenarios involving redwood trees and character-based experiments.

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  • 2. 

    Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks.  One tree is left outside in normal conditions.  Height of the tree is measured once a week.Check the correct control variable(s).

    • Amount of times measured per week

    • Types of trees

    • Amount of humidity

    • Height of the tree

    Correct Answer(s)
    A. Amount of times measured per week
    A. Types of trees
    Explanation
    The correct control variables in this experiment are the amount of times measured per week and the types of trees. These variables are important to keep constant in order to ensure that any changes in the height of the trees can be accurately attributed to the different humidity levels. By measuring the height of the trees at the same frequency and using the same types of trees, the experimenters can eliminate these factors as potential sources of variation in the results.

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  • 3. 

    Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks.  One tree is left outside in normal conditions.  Height of the tree is measured once a week.Check the correct responding variable (s).

    • Height of tree

    • Humidity levels

    • Amount of times measured per week

    • Types of trees

    Correct Answer
    A. Height of tree
    Explanation
    The correct responding variable in this scenario is the height of the tree. This is because the experiment is specifically measuring the height of the trees over a period of 12 weeks. The humidity levels, amount of times measured per week, and types of trees are not the variables being directly measured in this experiment.

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  • 4. 

    Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks.  One tree is left outside in normal conditions.  Height of the tree is measured once a week.Check the correct manipulated variable(s).

    • Height of the tree

    • Types of trees

    • Humidity levels

    • Amount of times measured per week

    Correct Answer
    A. Humidity levels
    Explanation
    The correct manipulated variable in this scenario is humidity levels. This is because the experiment is testing the effect of different humidity levels on the height of the redwood trees. The height of the tree is the dependent variable, and the types of trees and amount of times measured per week are not being manipulated in this experiment.

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  • 5. 
    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the initial observation? - ProProfs

    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the initial observation?

    • Spongebob decides to do a test.

    • Spongebob notices Gary is suffering from slimtosis.

    • Sandy says drinking Dr. Kelp will help.

    • Patrick Star saw a butterfly.

    Correct Answer
    A. Spongebob notices Gary is suffering from slimtosis.
    Explanation
    The initial observation is that Spongebob notices Gary is suffering from slimtosis.

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  • 6. 
    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the manipulated variable? - ProProfs

    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the manipulated variable?

    • Type of treatment

    • Amount of treatment

    • Slimotosis

    • Gary's shell smell

    Correct Answer
    A. Type of treatment
    Explanation
    The manipulated variable in this experiment is the type of treatment. Sponge Bob is testing the effectiveness of two different treatments, rubbing seaweed on the shell and drinking Dr. Kelp, to see which one cures Gary's slimotosis. By manipulating the type of treatment, Sponge Bob is able to determine which one is more effective in getting rid of the slime and improving the smell of Gary's shell.

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  • 7. 
    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the control variable? - ProProfs

    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the control variable?

    • Type of treatment

    • Amount of treatment

    • Slimotosis

    • Smell of Gary's Shell

    Correct Answer
    A. Amount of treatment
    Explanation
    The control variable in this experiment is the amount of treatment. The experiment is testing the effectiveness of two different treatments, rubbing seaweed on the shell and drinking Dr. Kelp, on curing slimotosis. To ensure that the results are accurate and reliable, the only variable that should be changed is the amount of treatment given to Gary. This means that the amount of seaweed rubbed on the shell and the amount of Dr. Kelp consumed should be kept constant throughout the experiment. By controlling the amount of treatment, any changes in the slime and odor of Gary's shell can be attributed to the specific treatment being tested.

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  • 8. 
    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the responding variable? - ProProfs

    Sponge  Bob  notices  that  his  pal  Gary  is  suffering  from  slimotosis,  which  occurs  when  the  shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp.  After a week of treatment, the slime is gone and Gary’s shell smells better. What is the responding variable?

    • Type of treatment

    • Amount of treatment

    • Slimotosis

    • Smell of Gary's shell

    Correct Answer
    A. Smell of Gary's shell
    Explanation
    The responding variable in this experiment is the smell of Gary's shell. The experiment is testing the effectiveness of two different treatments (rubbing seaweed on the shell and drinking Dr. Kelp) on reducing the slime and odor of slimotosis. Therefore, the change in the smell of Gary's shell is the variable that is being measured and observed as a result of the different treatments.

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 22, 2016
    Quiz Created by
    Jkraudel92
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