Question

What was the purpose of the experiment?
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Which properties are more useful in determining the identity of an unknown substance: intensive or extensive? Explain.
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Write a hypothesis based on observations and scientific principles.
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Experimental Methods
What tools did you use to collect your data?
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Describe the procedure that you followed to conduct your experiment.
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Data and Observations
Record your observations.
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Conclusions
What conclusions can you draw about the identity of the unknowns? Write an evidence-based claim.
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Evaluate the procedure used in this experiment by considering the properties used to identify the unknowns and the number of knowns that were tested. Revise the experimental design by proposing ways to modify the experiment to increase your certainty in the identity of the unknowns.
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Answer 1

Answer:

Answer 1: The purpose of an experiment is to test a hypothesis.

Answer 2: Scientists commonly measure intensive properties to determine a substance's identity, whereas extensive properties convey information about the amount of the substance in a sample.

Answer 3: These principles are at work in the fundamental elements of the scientific method, such as formulating a hypothesis, designing an experiment to test the hypothesis, and collecting and interpreting data. In addition, more particular principles characteristic of specific scientific disciplines influence the methods of observation; the acquisition, storage, management, and sharing of data; the communication of scientific knowledge and information; and the training of younger scientists.

Answer 4: Data collection tools refer to the devices/instruments used to collect data, such as a paper questionnaire or computer-assisted interviewing system. Case Studies, Checklists, Interviews, Observation sometimes, and Surveys or Questionnaires are all tools used to collect data.

Answer 5: The purpose of an experiment is to test out your hypothesis. If your hypothesis is correct, then it is a theory that could work every single time the experiment has been performed by scientists.

Answer 6: ?

Answer 7:  the first step toward teaching my students how to critically think about how they structured an argument or explanation was to implement the Claim, Evidence, Reasoning (CER) framework. While the premise behind CER isn’t anything new to the way science teachers already think, it provides an entirely different approach toward how students connect their experiences and previously learned content into something that is much more reflective of being scientifically literate.

Answer 8: ?

Explanation:

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Answer 2

The purpose of an experiment is to test a hypothesis.

The properties that are more useful in determining the identity of an unknown substance are the intensive properties.

The tools that can be used to collect data are known as data collecting tools. Examples include questionnaires, observations, etc.

The aim of an experiment is to test a hypothesis, demonstrate a known fact, or provide insight into cause-and-effect. It demonstrates the outcome that occurs when a particular force is manipulated.

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