The attached link includes a “scientific” object lesson, using a basic chemical reaction to demonstrate how Christ heals us of our sin. Combining a jar of ammonia and water with a jar of phenolphthalein and water, the contents turn pink—a visual of being “unclean,” as the woman in this story. But by adding vinegar, the solution becomes clear again—which demonstrates how Christ cleanses us from sin. (For the full instructions and a video showing how it works, see Jenae, “Science Experiment: Jesus Washes Our Sins Away,” March 21, 2016, https://www.icanteachmychild.com/science-experiment-jesus-washes-our-sins-away/).
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