Pop-Up Catechesis: Change Requires a Stimulus
How does water change to ice or steam? Well, it doesn’t do it on its own. It requires a stimulus, namely a change in temperature. When water is cooled, the molecules slow down and are bonded together to form ice. When water is heated, the molecules speed up and break free from their bonds, thus creating steam. But none of that happens without the stimulus of temperature change. In a similar way, if we hope […]