Life Cycles

17 short narrated lessons in 3 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.

Standards: 3-LS1-1

3rd Grade Science · 5 units

What your child will learn

Every Living Thing Has a Life CycleExplain that all plants and animals go through a life cycle of birth, growth, reproduction and death.
Being Born and GrowingDescribe how living things start life and grow and change over time.
Making New LifeExplain that adult plants and animals reproduce to make new living things like themselves.
The End of a Life CycleUnderstand that death is a natural part of every life cycle and makes room for new life.
Life Cycles Review ReviewReview the four stages every life cycle shares: birth, growth, reproduction and death.

From Tiny Egg to ButterflyName and order the four stages of a butterfly's life cycle: egg, larva, pupa, adult.
From Tadpole to FrogDescribe how a frog changes from egg to tadpole to froglet to adult frog.
Chickens and Other BirdsDescribe a bird's life cycle from egg to chick to adult.
Mammals Like Dogs and PeopleExplain that mammals are born alive and grow into adults that look like their parents.
Grasshoppers Grow Without a CocoonCompare incomplete metamorphosis (egg, nymph, adult) with a butterfly's complete metamorphosis.
Comparing Animal Life Cycles ReviewCompare the life cycles of butterflies, frogs, birds and mammals and find what they share.

From Seed to PlantDescribe how a seed germinates and grows into a seedling and then a plant.
Flowers and PollinationExplain how bees and other animals carry pollen between flowers so seeds can form.
How Seeds TravelDescribe the ways seeds spread to new places: wind, water, animals and bursting pods.
A Bean Plant's Whole LifeFollow a bean plant through its complete life cycle from seed back to seed.
Plant Life Cycles Review ReviewReview the stages of a plant's life cycle and how plants make new plants.
Unit 1 Test: Life CyclesShow what you learned in the whole unit (What is a life cycle?, Animal life cycles, Plant life cycles) by answering mixed questions.

From the lesson “Every Living Thing Has a Life Cycle”

What is an organism?

Show the answer

Any living thing, like a plant or an animal. Yes! An organism is any living thing, from a tiny ant to a tall tree.

Hint kids see after a wrong try: “Think about the word we used for plants, animals, and people.”

All 3rd Grade Science units Traits →

Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.