Scientific Procedure

Question 1

Accurate

Answer 1

Results close to true answer

Question 2

Precise

Answer 2

Not spread out results and cluster closely

Question 3

Resolution of an instrument

Answer 3

Smallest change it can measure

Question 4

Random error

Answer 4

Fluctuations in experiment due to unpredictable differences caused by human errors in measuring

Question 5

How to reduce effect of random error

Answer 5

Repeat readings and find mean

Question 6

Systematic error

Answer 6

Measurement is wrong by same amount each time, repeating wont change it

Question 7

Zero error

Answer 7

Systematic error caused by using equipment that isnt zeroed properly

Question 8

Repeatable

Answer 8

When repeated under the same conditions by the same investigator, gives similar results.

Question 9

Reproducible

Answer 9

if similar results are obtained by different investigators with different equipment.

Question 10

Anomalous values- what should be done

Answer 10

xamined to try to identify the cause and, if a product of a poor measurement, ignored.