“and why the leaves change colour” … wrong! The scientific explanation does not tell us WHY they change colour … it tells us HOW they change colour. And that makes all the difference in the world. Elly told the HOW, Grandma told the WHY. God paints His nature in different colours in different seasons, and He has His way to do it …
I can give a perfect explanation of HOW the water gets boiling in the kettle … but WHY it boils? I am preparing a tea for my wife …
The second mouse get the cheese …