Unit 3 Science

Question 1

What is the difference between reproducibility and repeatability?

Answer 1

Repeatability is the likelihood of producing the same result, from the same experiment and setup, it allows researchers to verify that their results are true.

Reproducibility is the likelihood of producing the same results however, with a different research team and usually following the method of the originator.

Question 2

What could you state when evaluating a scientific method?

Answer 2

Was there any random/systematic errors in measuring?
How precise was the measurement?
Are there any sources of inaccuracy?

Question 3

What is an example of a random error?

Answer 3

Temperature of the room changes because someone opens a door.

Question 4

What is an example of a systematic error?

Answer 4

A uncalibrated scale which shows 0.01 kg even though nothing is on it.