Question

Describe an activity to show that the rate of evaporation increases with surface area

Answer 1

When we put the tea in cup it was cool later than tea in plate .So, it is showed that the rate of evaporation increases wuth surface area . 


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Answer 2

AIM - To show that evaporation increases in surface area .

Required - Wet clothes

A cloth hanger

Procedure -

1 . Take wet cloth and hands and on holder on a sunny day . don't spread the cloth and just hang them on hanger .

2 . Take wet clothes and hang them on hanger but this time don't just have instead spread them on holder .

Observation - Now , see that in which case clothes dry faster .

Conclusion - We saw that clothes dry faster in case 2 because when classes write the most of area of word object is exposed to atmosphere has the evaporation rate in increases .