A rainy day lesson

"Why does it rain, Mummy?" We were both stood at the window, looking at the rain outside keeping us inside.

"The rain comes down from the clouds", Mummy replied.

"But how does the rain get in the clouds?" I persisted.

So Mummy explained about the sun sucking the water up from the sea and the rivers and the poor little rain drops getting cold when they get up in the sky so they all huddle together to get warm again. And that makes the clouds.

And what could I say to that but, "Wow!"