When presenting a slide that shows experimental data O you should explain the experiment that gave that data O you should discuss the hypothesis being tested O you should discuss whether or not the results support or refute the hypothesis all of the above
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Q: The 'control group' is an essential component of an experiment. This is because
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A: The right answer is Option 1: They are supported by and make sense of many observations.
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Q: Can you give me some examples of a controlled variable and a controlled experiment
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Q: hypothesis accepted
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Q: Compare and contrast the four plates. What does each tell you about the experiment?
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- The 'control group' is an essential component of an experiment. This is because 1. A control group allows one to determine if a particular result is due to the experimental variable. 2. No, it's not essential in experimentation. A control group is not always necessary it depends on the experiment. 3. A control group allows for multiple variables to be tested at the same time. 4. A control group is required for the development of a prediction.Which of the following is not correctly linked?a. model: a representation of an object used in an experimentb. standard deviation: a form of statistical analysisc. principle: a theory that is not supported by experimental evidenced. data: the results of an experiment or observationThe null hypothesis is: That the measured value is zero That the proposed model is not correct and the measured factors have no effect on the pattern That the proposed model is correct and perfectly explains the pattern That the experiment is null and void
- Question 1 Match the steps of the scientific process given on the right to answer each question below. Each step may be used once, more than once, or not at all. What is the first step in the scientific process? stating the question After stating the problem, what is the next step? forming a hypothesis Deciding what kind of data to gather takes place during which step? forming a hypothesis Which step comes after conducting the experiment? [ Choose When are variables and controls determined? |Choose J Which step gives a possible explanation to a problem that can then be tested? [ Choose J If an idea can be supported over and over again, it may proceed to which step? | Choose ) Data is gathered during which step? [ Choose J During which step is the hypothesis supported or rejected? | Choose J > > > > > > > >What are three important thing you will consider when settting up an experiment to investigate a phenomenon? Explain why?A useful hypothesis typically accomplishes these two things: Group of answer choices it is falsifiable and clear it clearly establishes a null hypothesis and it generates a testable prediction it can be easily disproved and will be considered a theory if not disproved it frames an experiment that can shed light on the observation and guides design of the experiment
- A properly designed experiment contains the following: positive and negative controls and experimental conditions. positive control and experimental conditions. positive and negative controls control and experimentalWhat do you call a sample that goes through all the steps of an experiment but is not exposed to the experimental variable? control group dependent variable independent variable all variables/groups are exposed to the experimental variableWhich of the following is used when testing a prediction?a. observationsb. inductive reasoningc. controlled experimentsd. both observations and controlled experiments
- write a summary Introduction: The introduction explains the purpose and objectives of the experiment. A goodway to approach this section is to attempt to provide the reader with background, discussing thewhat and why of the experiment. Beginning with a bit of prior knowledge on which the experimentis based, you then try to explain the purpose of the experiment and why it was conducted in a certainway. Often, background information and purpose of the experiment will be found in your sciencetext. The introduction is also the place where you state your hypothesis.Procedure (sometimes called Materials and Methods): This section is importantas it explains to the reader exactly what you used to perform the experiment and how you did it. Itis highly detailed so that another scientist could reproduce your experimental methods in order toobtain the same results and gain extra data. In the case of high school or even undergraduate collegelabs, most of these procedures will be well-known…What variable is the one that you can manipulate or change? It is sometimes called experimental variableIn an experiment, the control group is used to: a Change the variable b Provide a baseline for comparison with the test group c add additional non-dependent variables d demonstrate correlation rather than causation e generate hypotheses