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A surveying of high school students’ understanding of
buoyant force
Present by Chatchai HussadornDepartment of Physics, Faculty of Science, KMUTT
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• Students confuse about the factor affecting to buoyant force
Object Liquid
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The conceptual understanding test
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• First: The effect from object’s density to buoyant force
• Second: The effect from object’s mass to buoyant force
• Finally: The effect from liquid’s density to buoyant force
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Methodology
Population and sampling
10 questions conceptual understanding test
Analyzed the results
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A B EQUAL0
10
20
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60
48
0
52
Choices
% o
f se
lect
ion
The effect from object’s density to buoyant force
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The effect from object’s mass to buoyant force
A B EQUAL0
10
20
30
40
50
60
5147
2
Choices
% o
f se
lect
ion
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The effect from liquid’s density to buoyant force
A B EQUAL0
5
10
15
20
25
30
35
40
45
50
4442
14
Choices
% o
f se
lect
ion
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Result of each question
1 2 3 4 5 6 7 8 9 100
10
20
30
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70
5256
51 53
65
47 49
63
44 45
Questions
% o
f corr
ect
an
sw
er
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Conclusions• Nearly a half of all students have misconception
about factors that affecting buoyant force
• Helping to know students’ understanding in class and design the activity or learning module
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Acknowledgments
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THANK YOU FOR ATTENTION
Q&A
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The conceptual understanding test
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A B EQUAL0
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48
0
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% o
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lect
ion
Choices
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A B EQUAL0
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% o
f se
lect
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Choices
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A B EQUAL0
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4951
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% o
f se
lect
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Choices
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A B EQUAL0
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53
19
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% o
f se
lect
ion
Choices
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A B EQUAL0
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70 65
10
25
% o
f se
lect
ion
Choices
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A B EQUAL0
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20
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60
5147
2
% o
f se
lect
ion
Choices
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A B EQUAL0
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49
10
41
% o
f se
lect
ion
Choices
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A B EQUAL0
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20
30
40
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7063
2
35
% o
f se
lect
ion
Choices
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A B EQUAL0
5
10
15
20
25
30
35
40
45
50
4442
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% o
f se
lect
ion
Choices
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A B EQUAL0
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20
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45
6
49
% o
f se
lect
ion
Choices
