Font size
S
M
L
XL
WorksheetsA1 Data definitions
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
The degree to which a measurement approaches the 'true value'.
a)
accuracy
b)
precision
c)
uncertainty
d)
error
2.
The more significant figures in the measurement, the better the…
a)
accuracy
b)
precision
c)
uncertainty
d)
error
3.
If the range of measurements is narrow but far from the true value.
a)
accurate
b)
not accurate
c)
precise
d)
imprecise
4.
If the range of measurements is wide and far from the true value.
a)
accurate
b)
not accurate
c)
precise
d)
imprecise
5.
If the range of measurements is narrow and close to the true value.
a)
accurate
b)
not accurate
c)
precise
d)
imprecise
6.
If the range of measurements is wide and close to the true value.
a)
accurate
b)
not accurate
c)
precise
d)
imprecise
7.
Total range within which the measurement is likely to lie.
a)
accuracy
b)
precision
c)
uncertainty
d)
error
8.
A mistake that was made in the experiment:
a)
accuracy
b)
precision
c)
uncertainty
d)
error
9.
Random uncertainty can be reduced by:
a)
taking many readings and averaging
b)
improving experimental technique
c)
plotting a graph
d)
improving subject knowledge
10.
Systematic uncertainty can be reduced by:
a)
taking many readings and averaging
b)
improving experimental technique
c)
plotting a graph
d)
improving subject knowledge
11.
Types of systematic uncertainty:
a)
zero error
b)
parallax error
c)
reaction time of experimenter
d)
equipment malfunctioning during experiment
12.
Absolute uncertainty is the
a)
smallest division or half the range
b)
the range
c)
percentage
d)
half the percentage
Reset
