Page 86 - Erasmus_2017_2020

EXPLANATION

The balloon filled with air bursts since the air expands quickly and does
not absorb the heat from the rubber which causes the rubber ball to stretch
and eventually brake to let the expanded air out. The balloon having water
and air does not burst. It is because water absorbs the heat from the rubber
band and through convection currents it carries the heat away from the
rubber while cold water replaces the risen water.

CONCLUSION

The conclusions drawn from this experiment confirm that water absorbs
far more heat than air making the balloon heat proof.

Avots:
https://thermtest.com/thermal-resources/thermal-conductivity-
experiments/heating-water-balloon

3. eksperiments

Students with a greater potential for logical thinking for this experiment
are chosen

MATERIALS

 Plate
 Candle
 Glass
 Water

PROCEDURE

Add 2-3 drops of food coloring to the water. This will make the
movement of the water easier to see later. It’s interesting to watch how the

drops of coloring spread through the water before stirring it.