How Science Works Terms
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What is an independant variable?
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The variable that the scientist changes
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The variable which the scientist calculates
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The variable which the scientist measures
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Explore key concepts in scientific methodology, including understanding variables, the essence of fair tests, and definitions of accuracy and reliability.
(85).webp "How Science Works Terms - Quiz")
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- 2.
A fair test should have only .......... variables.
Explanation
A fair test should have only two variables. This means that there should be two factors or elements that are being tested or observed in the experiment. Having more than two variables can make it difficult to determine the cause and effect relationship between them, and may introduce confounding factors that can affect the validity of the results. Therefore, it is important to keep the number of variables limited to two in order to ensure a fair and reliable test.Rate this question:
- 3.
What is a random error?
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It is when one thing causes another thing to happen
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When the equipment has an error making all the results wrong
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Something caused by lack of care.
Correct Answer
A. Something caused by lack of care.Explanation
A random error refers to a mistake or variation in measurement or data that occurs due to factors beyond control or intention. It is not caused by a specific systematic error in the equipment or process, but rather by careless mistakes or lack of attention to detail. This can include errors in recording or reading data, improper calibration, or inconsistent experimental conditions. Random errors are typically unpredictable and can affect the accuracy and precision of measurements.Rate this question:
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- 4.
Accurate means:
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That the experiment would always give the same result
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An exact mesurement which is close to the actual mesurement.
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A good level of detail in an answer.
Correct Answer
A. A good level of detail in an answer.Explanation
The correct answer is "A good level of detail in an answer." This means that when something is accurate, it provides sufficient information and includes all the necessary details. Accuracy in an answer implies that it is thorough, comprehensive, and leaves no room for ambiguity or confusion. It signifies a high level of precision and correctness in conveying information or explaining a concept.Rate this question:
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- 5.
What does reliability mean(short answer)?
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Apr 19, 2024Quiz Edited by
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Sep 16, 2009Quiz Created by
Carri10
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