The video is being made. Until it arrives, here is what it will say (118 words, about 59 seconds):

Here's Jude in the school kitchen, making pancakes. He stirs flour, milk and an egg together in a bowl.

Then he pours the runny batter into a hot pan. Bubbles pop up all over it, and it turns golden brown.

Stirring made the batter, and the hot pan made the pancake. But only one of those made something new. Which one was it, and how can you tell?

To find out, we will look at the signs that tell you something new has formed, how to tell something new from just a mix, and how warmth changes how fast a change happens.

Okay, so are you ready to find out how to tell that something new has formed?

It ends with a ready line. Then pick a reply below — any reply counts.