Originally Posted by Cassmo451
When, on a walk, you have to explain to your child the differences between Celsius and Fahrenheit, the conversion. Which then leads to a conversation about how anything can be below freezing and why different things have different freezing and boiling points.

This was on a walk back from our town's Halloween party and we walked by the banks sign which flashes the temp and time.

I had a similar conversation with DD the other day and I used the different freezing points of 'fresh' water versus 'salt' water versus alcohol to introduce Kelvin, too. It just blew her mind when the penny dropped that Absolute Zero is quantifiable.

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