Life Cycles

Roosters attract hens by strutting around and showing off their brilliant feathers. This book introduces children to the cycle of a chicken's life, explaining how a chick hatches from an egg… More →

Penguins must complete their life cycle in very cold temperatures. To protect their eggs from the cold, penguins use brood patches. Students will watch a penguin chick hatch from an egg and… More →

A female butterfly lays eggs on a leaf to begin the butterfly life cycle. The eggs hatch into caterpillars, and caterpillars form chrysalises to change into butterflies. Students will follow… More →

Weighing around 1,300 pounds, an adult dairy cow produces about 90 glasses of milk every day! Young readers will learn the different stages of a cow's life cycle, watching as calves grow into More →

The life cycle of a frog takes place in water and on land. It begins in spring with a male frog croaking a song to attract a female. Young readers will read about and watch an egg develop… More →

Bees begin their life cycle as eggs in honeycomb cells. Every day, a queen bee can lay as many as 2,000 eggs. Young readers will study a bee's growth from egg to grub to pupa to adult. More →

Male sea horses have a unique role in the sea horse life cycle. They carry the eggs and give birth to as many as 200 babies at one time. Young children can track a sea horse's life cycle from More →

Dogs begin their life cycle as puppies in a litter. A newborn puppy sleeps for 20 hours a day as it grows! Children will watch a puppy move from a large litter to a loving home as it grows up. More →

A turtle sensing danger will pull its head, legs, and tail inside of its shell. This book teaches children about the life cycle of a turtle. Young readers will learn how turtles hatch from… More →

Ladybugs spend part of their life cycle as larva. Every day a ladybug larva eats about 30 tiny green insects called aphids. Young children will watch a ladybug go from egg to adult. More →