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The Effect of Guided Inquiry Laboratory on
Conceptual Understanding
Miha LeeCalifornia State University,
Northridge
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STUDENTS' PRECONCEPTIONS ABOUT METALS’ PHYSICAL PROPERTIES
Codes Concept
a matter that conduct (heat) and electricity
b matter that has malleability and ductility
c matter that has metallic luster
d matter in a solid state at room temperature
e matter that has free electrons
f matter that is dense and hard
g matter that has crystal structure of atoms
h matter that has magnetism
i matter that is like iron
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STUDENTS' CONCEPTS ABOUT METALS’ CHEMICAL PROPERTIES
Codes Concept1 elements that readily lose electrons to form cations
2 elements that has metallic bond between cations and free electrons
3 elements that are likely to be oxidized (rusted)
4 elements that react with acids generating hydrogen gas
5 elements that react with water generating hydrogen gas
6 elements that are placed at the lower left on the periodic table.
7 elements composed of cations that are solidified
8 elements that are strongly reactive
9 elements that have strong reducing ability
10 elements become basic when dissolved in water
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61%
37%
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# of Students who achieved the goal
of each activity
% of Students who
achieved the goal of each
activity
Activity 1 133 84.18
Activity 2 156 98.73
Activity 3 157 100
Activity 4 147 93.04
Students’ achievement on the formative tests
in each activity
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