"Why do we have to do that?" asked Victoria.
"I thought it would be a nice idea if we said where we thought a horse chestnut was, for example," explained Bubbles. "And then in the Summer we could go back to the exact same place when all the leaves are out on the trees, and see if we were correct. I have another checklist with the leaves on it so we can match them up too."
"Oh, that's a good idea," said Henry. "It will be really exciting to see if we got them all right!"
So, even though there are no leaves yet, perhaps you could go out looking at the shapes of trees and seeing if you can name them too.