What's a hedge fund? - It's where a hedgehog lives.
What is the credit crunch? - The credit crunch is when you put your card into a machine to pay for something and it goes 'crunch'. - I think the credit crunch might be a superhero who has super-crunching powers. If someone gets trapped in a building, then he could break them free by chomping down the walls.
Those are what kids think of the recession today. And many more.