🔬 3rd Grade Science · Unit 3
Habitats and Survival
22 short narrated lessons in 4 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.
Standards: 3-LS2-1 3-LS4-3 3-LS4-4 3-5-ETS1-1 3-LS4-1
3rd Grade Science · 5 units



What your child will learn
Living in groups
- HerdsExplain how living in a herd helps animals like zebras stay safe from predators.
- Wolf PacksExplain how wolves work together in a pack to hunt and raise pups.
- Ant and Bee ColoniesDescribe how ants and bees share jobs in a colony to help the group survive.
- Schools of FishExplain how swimming in a school helps fish avoid being eaten.
- Living in Groups Review ReviewReview the ways living in groups helps animals survive.
Habitats
- What Is a Habitat?Explain that a habitat gives living things the food, water, shelter and space they need.
- Who Can Live Here?Explain that in a habitat some organisms survive well, some less well, and some cannot survive at all.
- Ecosystems and Food Webs AdventureDescribe how plants and animals in a habitat depend on each other for food.
- A Polar Bear in the Desert?Use examples to explain why animals are suited to some habitats but not others.
- Habitats Review ReviewReview what habitats provide and why organisms fit some habitats better than others.
When environments change
- Floods and DroughtsExplain how floods and droughts change a habitat and the plants and animals living there.
- Pollution and HabitatsExplain how pollution can harm plants and animals in a habitat.
- When People BuildDescribe how building roads and towns changes habitats for wildlife.
- Helping WildlifeJudge solutions like wildlife bridges and replanting that help animals when environments change.
- Changing Environments Review ReviewReview how environments change and how people can help living things survive.
Fossils
- What Is a Fossil?Explain that fossils are the remains or traces of living things from long ago, preserved in rock.
- How Fossils FormDescribe how a plant or animal can be buried and slowly turned into a fossil.
- What Fossils Tell UsUse fossils to explain what places were like long ago, like sea fossils found on mountains.
- Dinosaur DetectivesDescribe what fossils teach us about dinosaurs and how they lived.
- Gone But Not ForgottenExplain that some kinds of living things no longer exist and fossils show us what they were like.
- Fossils Review ReviewReview what fossils are, how they form and what they tell us.
- Unit 3 Test: Habitats and SurvivalShow what you learned in the whole unit (Living in groups, Habitats, When environments change, Fossils) by answering mixed questions.
Try a question from this unit
From the lesson “Herds”
What is a herd?
Show the answer
A large group of animals that live and travel together. A herd is a large group of animals of the same kind that live and travel together.
Hint kids see after a wrong try: “Think about the zebras on the savanna.”
Key words
- herd
- protection
- pack
- cooperate
- colony
- worker
- queen
- school of fish
- habitat
- shelter
- adapted
- survive
- food chain
- food web
- adaptation
- climate
- flood
- drought
- pollution
- litter
- habitat loss
- solution
- conservation
- fossil
Try these lessons in Kids Shelf
Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.