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2
marks
|
a.
record of major aspects of the investigation including observations
and raw data
b.
demonstration of the use of the equations and/or some calculations
c.
tabulated processed data and/or organised observations
d.
some awareness of how to analyse
data or observations (e.g. intention to draw a graph)
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b.
some simple algebraic manipulation or simple substitution and
calculation.
c.
derived or ‘processed’ data tabulated with correct units and
appropriate significant figures.
d.
a statement of intent which may be found in the planning section.
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4
marks
|
a.
data and/or observations processed and organised in a logical
sequence
b.
data presented in appropriate tables with correct headings and
units
c.
appropriate graphs draws with correct headings and labelled axes
d.
accurate plotting of points on a graph
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b.
data recorded for
plotting should he tabulated
c.
A4 size with the plotted points at least half of the scale on
each axis
d.
the points should be plotted to within ± 1mm
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6
marks
|
a.
best fit line (or curve) drawn
b.
large Dy
and Dx
shown
c.
correct values read and recorded from graph
d.
Dy
/ Dx
calculated or intercept read or formula manipulation
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b.
a ‘rule of thumb’ is 8cm by 8cm
c.
some statement of the values used to arrive at Dy
and Dx
d.
all stages in the process set out in a logical order
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8
marks
|
a.
statement of established theory or knowledge relating to the
investigation
b.
reasoned conclusion or statement about the outcome of the
investigation
c.
final numerical value, relationship with correct significant
figures and units where appropriate
d.
explanation of how the results support or contradict the original
prediction or expected outcome and established theory or knowledge.
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b. a conclusion based on the data collected or
generated during the investigation.
c.
appropriate number of significant figures and correct units in the
‘final answer’.
d. linking of any conclusions back to the original
hypothesis.
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