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Dependent & Independent Variables High School Physical Science

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Insight 360™ is eInstruction’s classroom instruction system that allows you to interact with your students as they learn, quickly gaining insight into student understanding during class so you can adjust instruction in real-time during a single class session. Use this content, designed specifically for use with Insight 360™, to interact with your class. This content includes brief instructional material and two types of activities: Constructed Response Activity for students to complete as an individual or a group assignment. Send each Constructed Response Activity to the Insight 360 iPad Student App. Assessment Item with CueTag™ for students to respond to via student response devices. Receive instant real-time feedback and longitudinal reports. Teacher Notes

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The hypothesis is a cause and effect statement. The statement must be testable. The statement will contain a dependent and an independent variable. An example of a hypothesis is shown below. Increasing the temperature of water makes the drink mix dissolve more rapidly. When developing a hypothesis, remember the following: Does your hypothesis contain something that is measureable? Are the objects required to test your hypothesis easily accessible? Is the hypothesis biased in any way? The Hypothesis

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Scientific experiments have a dependent variable and an independent variable. The dependent variable is the output of the experiment. This is the variable that is expected to change during the experiment. The independent variable is the cause or input of the experiment. The independent variable will cause the dependent variable to change. It is the input in the experiment. Dependent and Independent Variables

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Increasing the temperature of water makes the drink mix dissolve more rapidly. In the example above, the water temperature is the independent variable. The increase of this temperature is the cause for the speed with which the drink mix is dissolved. The dissolution of the drink mix is the dependent variable. The scientist expects that the rise in temperature of the water will result in the dissolution of the drink mix. Dependent and Independent Variables

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Circle the independent variables in each hypothesis. Underline the dependent variables. 1.Pea plants will grow more slowly when exposed to wind. 2.Adding peanut oil to water increases the amount of time it will take the water to boil. 3. The weight of an object is directly related to how fast it will fall. Choose the dependent and independent variables.

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Circle the independent variables in each hypothesis. Underline the dependent variables. 1.Pea plants will grow more slowly when exposed to wind. 2.Adding peanut oil to water increases the amount of time it will take the water to boil. 3. The weight of an object is directly related to how fast it will fall. Choose the dependent and independent variables.

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Develop a hypothesis. Identify the dependent and independent variable in your hypothesis statement. Explain your reasoning. Develop a hypothesis.

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Develop a hypothesis. Identify the dependent and independent variable in your hypothesis statement. Explain your reasoning. Answers will vary. Develop a hypothesis.

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Rita is interested in finding out what brand of dry cell battery will power a motor longest before becoming depleted. She purchases the same size batteries in several different brands, making sure that their expiration dates are the same. She builds an oval track and measures its length. She puts a AA battery into a toy train, and allows it to run on the track. Rita counts the number of times the train goes around the track before stopping and records this number. She then repeats this process using a different brand of battery. What is the dependent variable in this experiment? a.the store at which dry cell batteries were purchased b.brand of dry cell battery used c.the store at which dry cell batteries were purchased d.number of times the train goes around the track before stopping

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