Child Development and Pedagogy · Pedagogy
A student has an alternative conception (misconception) that air contracts on heating. Which of the following pedagogical strategies is most appropriate to challenge this alternative conception?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Explain the difference between conduction and convection to show that air is a poor conductor of heat.
- 2Ask students to fill a plastic bottle to half of its capacity with very hot water, cap it tightly, set it aside for a few minutes, and note their observations.
- 3Ask students to refer to the textbook for examples from daily life where air expands on heating.
- 4Ask students to attach a deflated balloon to the mouth of an empty bottle, place the bottle in a hot water bath, and observe the expansion of the balloon.✓
Correct answer
Ask students to attach a deflated balloon to the mouth of an empty bottle, place the bottle in a hot water bath, and observe the expansion of the balloon.
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