Refraction Experiment
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Transcript of Refraction Experiment
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7/29/2019 Refraction Experiment
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SEKOLAH MENENGAH SAINS SELANGOR
PEKA 3
NAME: .
CLASS : DATE :..
Experiment : To Study The Relationship Between The Angle Of Incidence and
The Angle of Refraction
Figure 1
Problem Statement
Figure 1 shows a spatula which is partially immersed in a glass filled with water.
It is found that the glass rod appears bent upward. By using a glass block, ray
box and other appropriate instrument describe an experiment.
Based on the observations in Figure 1
a. Make one suitable inferenceb. State appropriate hyphotesis for an investigation
c. With the use of a glass block and other appropriate apparatus, describe anexperimental framework to test your hypothesis . In your description, state clearly the
following:
(i) Aim of experiment
(ii) Variable involved in the experiment
(iii) List of apparatus and materials
(iv) Arrangement of the apparatus
(v) The procedure of the experiment which include the method ofcontrolling the manipulated variable and the method of measuring
the responding variable
(vi) Way you would tabulate the data
(vii) Way you would analyse the data
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PWE Report (Practical Work Evaluation)
C1
S1PI
1
(a) 1 Inference :
C1
S1PI
2
(b
)
1 Hypothesis :
C1
S1PI
3
(c) 1 Aim/ Purpose of experiment :
C1
S1PI
4
2 Manipulated variable :
Responding variable :
C1
S1PI
4
3 Constant variable :
C1
S2PI
1
4 List of apparatus/instruments :
C1
S2PI
5 Apparatus arrangement :
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2
C1
S2PI
3
6 Method to control manipulated variables :
C1
S2PI
3
7 Method to control responding variables :
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C1
S2PI
3
8 Experiment repetition :
Construct 2: Conducting the experiment
C1
S2PI
4
9 Data tabulation : Tabulate data containing angle of incidence i , angle of
refraction r, sin i , sin r andr
i
sin
sin
Construct 3: Collecting and recording data
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Scientific Performance Indicator (PI)PI1: Setting up apparatus
PI2: Conducting experiment using the apparatus set up
PI3: Taking down readings
Scientific Performance Indicator (PI)PI1: Making tables
PI2: Recording all values for manipulative variables
PI3: Recording all values for responding variables
PI4: Recording secondary data
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Gradient og the graph:
10 Data analysis (Plot a graph of sin i versus sin r)
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Title : ___________________________________________________________________
Contruct 4 : Data analysis and making conclusions
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Scientific Performance
Indicator (PI)
PI1: Relating the topic of the graph and drawing
correct axis
PI2: Uniform scale
PI3: Best, smooth, straight line
PI4: Determining gradient and drawing the trianglePI5: Determining values from graph via
extrapolation or intrapolation
PI6: Making conclusions
PI7: Relating steps in order to get better accuracy
readings
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C4
PI6
Conclusion : (State relationship between variables and state whether your
hypothesis is accepted or rejected)
C4
PI7
Caution steps :
Construct 5: Scientific Behaviour and moral values
Items Performance Indicator
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