Measurement and Error

Measurement and Error

12th Grade

20 Qs

quiz-placeholder

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Measurement and Error

Measurement and Error

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decide the number of significant figures: 409.10

3

4

5

6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decide the number of significant figures: 4091.00

3

4

5

6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A measurement result is considered ________ if it is judged to be close to the true value. It is influenced by random and systematic errors.

Precise

Accurate

An error

Resolution

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A quality denoting the closeness of agreement (consistency) between values obtained by repeated measurement. It is influenced by random effects and can be expressed numerically.

Repeatability

Precision

Uncertainty

Resolution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The smallest change in the quantity being measured that causes a perceptible change in the output of the measuring device. This is usually the smallest measuring interval.
Resolution
Repeatability
Precision
Error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any measurement will have some ____________. This will come from variation in the data obtained and be subject to systematic or random effects. This can be estimated by considering the instruments and the method and will usually be expressed as a range such as 20 ± 2 °C.

Error

Precision

Reproducibility

Uncertainty

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The dashed line in the image represents

The error bars

The uncertainty

Line of best fit

Line of worst fit

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