How does a Bird lay an Egg?
How does a bird lay an egg? (This is one of many questions
posed by my first grade class.)
I will try to explain this to a first grader.
Birds have to fly to get food and to run away from their enemies. Only the
females lay eggs. Female birds can not carry heavy eggs in their bodies
for the weight would keep the bird from flying. When she is ready to lay
her eggs, she makes them very fast. Her body builds the soft parts of the
egg. Her body rolls the soft parts down a tube. This tube makes the hard
shell around the soft parts. The hard shell is completed just as she lays
the egg in the nest. The hard egg is pushed out of her body for the tube
I hope this is adequate. I know the sentences are too complex for a first
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Update: June 2012