Where do chicks come from?

Have you ever seen a hen sitting on a nest of eggs? Have you wondered why she is sitting there? That hen is keeping her eggs warm until they are ready to hatch into chicks! But before a hen can lay her eggs, many things have to happen. In this simple introduction to the development of a fertilized egg into a chick, young readers are given a glimpse into the secret inner workings of the egg and the growing chick inside.