QuestionJuly 23, 2025

Part 4: Chemistry Experiment 2 - Vinegar and Baking Soda Reaction Scenario: You want to see if changing the amount of vinegar affects the size of the gas bubble produced when mixed with baking soda. Questions: What is the independent variable? __ What is the dependent variable? __ What are two controlled variables? __ What would be a good hypothesis for this experiment? Which group is the experimental group? __ Is there a control group? If yes, which one?If not, suggest one.

Part 4: Chemistry Experiment 2 - Vinegar and Baking Soda Reaction Scenario: You want to see if changing the amount of vinegar affects the size of the gas bubble produced when mixed with baking soda. Questions: What is the independent variable? __ What is the dependent variable? __ What are two controlled variables? __ What would be a good hypothesis for this experiment? Which group is the experimental group? __ Is there a control group? If yes, which one?If not, suggest one.
Part 4: Chemistry Experiment 2 - Vinegar and Baking Soda Reaction Scenario: You want to see if changing the amount of vinegar affects the size of the gas bubble produced when mixed with baking soda. Questions: What is the independent variable? __ What is the dependent variable? __ What are two controlled variables? __ What would be a good hypothesis for this experiment? Which group is the experimental group? __ Is there a control group? If yes, which one?If not, suggest one.

Solution
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Answer

Independent Variable: Amount of vinegar ### Dependent Variable: Size of the gas bubble ### Controlled Variables: Amount of baking soda, Temperature ### Hypothesis: Increasing the amount of vinegar will increase the size of the gas bubble. ### Experimental Group: Setups with varying amounts of vinegar ### Control Group: Setup with a standard amount of vinegar Explanation 1. Identify the Independent Variable The independent variable is the amount of vinegar used in the experiment. 2. Identify the Dependent Variable The dependent variable is the size of the gas bubble produced. 3. Identify Controlled Variables Two controlled variables could be the amount of baking soda and the temperature at which the reaction occurs. 4. Formulate a Hypothesis A good hypothesis could be: "Increasing the amount of vinegar will increase the size of the gas bubble produced when mixed with a constant amount of baking soda." 5. Determine the Experimental Group The experimental group consists of the setups where different amounts of vinegar are tested. 6. Suggest a Control Group Yes, there should be a control group. It can be a setup where a standard amount of vinegar is used to compare against other variations.

Explanation

1. Identify the Independent Variable<br /> The independent variable is the amount of vinegar used in the experiment.<br /><br />2. Identify the Dependent Variable<br /> The dependent variable is the size of the gas bubble produced.<br /><br />3. Identify Controlled Variables<br /> Two controlled variables could be the amount of baking soda and the temperature at which the reaction occurs.<br /><br />4. Formulate a Hypothesis<br /> A good hypothesis could be: "Increasing the amount of vinegar will increase the size of the gas bubble produced when mixed with a constant amount of baking soda."<br /><br />5. Determine the Experimental Group<br /> The experimental group consists of the setups where different amounts of vinegar are tested.<br /><br />6. Suggest a Control Group<br /> Yes, there should be a control group. It can be a setup where a standard amount of vinegar is used to compare against other variations.
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