Podcast
Questions and Answers
What is the main distinction between accuracy and precision in scientific measurements?
What is the main distinction between accuracy and precision in scientific measurements?
- Accuracy and precision are the same in scientific measurements.
- Accuracy refers to how closely measurements agree with each other, while precision refers to how close a measurement is to the true value. (correct)
- Accuracy refers to the number of significant figures, while precision refers to the temperature scale used.
- Accuracy refers to the uncertainty in measurements, while precision refers to the significant figures used.
What does it indicate when the influx of heat is felt when touching a hot object?
What does it indicate when the influx of heat is felt when touching a hot object?
- The object has the same temperature as our hand.
- The object's temperature cannot be determined.
- The object has a lower temperature than our hand.
- The object has a higher temperature than our hand. (correct)
Which of the following temperature scales are currently in use?
Which of the following temperature scales are currently in use?
- °K, °F, °R
- °C, °F, °R
- °C, K, °R
- °F, °C, K (correct)
What is the purpose of indicating significant figures in a measured quantity?
What is the purpose of indicating significant figures in a measured quantity?
In figure 1.13, what does poor accuracy and good precision look like on a dartboard?
In figure 1.13, what does poor accuracy and good precision look like on a dartboard?
What do all digits, including the uncertain one, represent in a measured quantity?
What do all digits, including the uncertain one, represent in a measured quantity?
How does heat flow between substances according to scientific understanding?
How does heat flow between substances according to scientific understanding?
What term describes how closely two or more measurements of the same quantity agree with each other?
What term describes how closely two or more measurements of the same quantity agree with each other?
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