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The study aims to explore how children aged 11 to 14 understand evaporation and condensation in relation to the gas state.

Children's understanding of changes of state involving the gas state, Part 2: Evaporation and condensation below boiling point

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The study aims to explore how children aged 11 to 14 understand evaporation and condensation in relation to the gas state.
Longitudinal study over three years
Focused on children's understanding from ages 11 to 14
Examined consistency across various phenomena involving changes of state
Children showed a consistent understanding of evaporation and condensation effects at room temperature and below boiling points.
Particle theory was identified as crucial for understanding the gas state.
Some common claims about children's understanding of these concepts were challenged.

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Randomized trial examines children's concepts of evaporation and condensation, suggesting a need for better teaching of particle theory.

Philip M. Johnson (1998) studied this question.

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