Notice the size of the balloons on each container that has changed or not, and the thermometer to measure water temperature in the balloon has changed.
Notice the size of balloons on each container that has been changed or not, and bring the water temperature measured at the thoemomitoe make the balloons have changed.
Note that size of balloon in each container, there are changes or not, and take a thermometer and measure the temperature of the water in the balloon to change