Name_______________
Skill: MM
A&1
ORR
P&D
date: _____
Problem statement:
Mary is a new physics student who was curious to know how the center of gravity of an irregular
shaped lamina can be determined. Plan and design an experiment to determine the center of
gravity of an irregular shaped lamina.
Hypothesis
Aim:
Materials and Apparatus
Procedure:
Diagram:
Variables:
INDEPENDENT/
MANIPULATED
Expected observation/ results
Expected discussion
DEPENDENT/
RESPONDING
CONTROLLED
Source of error(s)
Limitation(s)
Precaution(s)
MARK SCHEME
Planning and Designing -Skill: P&D
Criteria
Marks
Marks
awarded obtained
Hypothesis clearly stated and testable with one variable
2
Aim lined to hypothesis and problem statement and method to be used
specified
2
All apparatus and materials listed are essential ones and appropriate to
method
2
Procedure in logical sequence of steps, written in present or future
tense and workable or feasible to test hypothesis
2
Manipulated, controlled and responding variables clearly stated or
implied
3
1 mark each
Expected observation/ display of results shows links between how data
to be collected proves or disproves hypothesis
2
Limitations/ source of error(s)/ assumption
1
1 mark for any of the above
Precautions
1
TOTAL 15
Weighted 10