How are ducks born? They hatch from eggs.
Can a duck hatch out of any egg? No. The egg must be laid by a duck.
What kind of eggs do you eat at home? Probably chicken eggs.
What can you hatch from a chicken egg? A chick (baby chicken).
Can you hatch chicks from the eggs you get in the grocery store? No. They have not been fertilized (they need a dad). They have also been stored for too long at a cold temperature (if they were fertilized, the germinal disc would have been killed).
Suppose we had a fertile duck egg. How might we help it develop into a duckling? Put it in an incubator. Give it to a broody duck.
In the story, what did the incubator provide? Heat and humidity.
What did the boy do? He turned the egg.
What did Henry look like when he first hatched? Wet. Scrawny.
Was Henry's mother really an incubator? No. It was a female duck that laid the egg.
How did Henry change as he grew up? Describe changes to size, feathers, voice.
Who was Henry's special friend? Another duck.
What happened in the end? Henry's special friend laid an egg.
What will happen next?