Understanding the Dependent Variable
This worksheet helps grade 9 students understand and identify dependent variables in scientific experiments.
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Understanding the Dependent Variable
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Read each question carefully and provide your best answer. This worksheet will test your understanding of dependent variables in scientific experiments.
1. In your own words, define what a dependent variable is in the context of a scientific experiment.
2. Which of the following best describes a dependent variable?
The variable that is changed by the experimenter.
The variable that is measured or observed.
The variable that stays the same throughout the experiment.
The variable that is controlled by the researcher.
3. In an experiment testing how the amount of sunlight affects plant growth, the is the dependent variable.
4. A scientist investigates how different types of fertilizer impact the height of corn stalks. The height of the corn stalks is the .
5. A student wants to determine if the temperature of water affects how quickly sugar dissolves. Describe the independent and dependent variables in this experiment.
6. The dependent variable is always the cause in an experiment.
True
False
7. Look at the experimental setup to the left. If this experiment is designed to separate components of a mixture, what would be the dependent variable being measured or observed?
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