3rd grade science focuses on how living things grow and change, and how forces, weather and climate shape the world. Students connect big ideas to real examples and evidence.
Key Topics Covered:
Life cycles, inherited traits, habitats and fossils, forces and magnets, weather and climate, weather hazards and engineering design.
Parent Tip:
Simple home experiments, like growing a bean plant or tracking the daily weather, make ideas stick.
Skills Your Child Will Build
By Quarter 4 of 3rd Grade Science, Your Child Will...

4 school quarters. 10 lessons each. Mapped to Common Core and NGSS.
3rd Grade Science Curriculum, Quarter by Quarter
Quarter 1
| No. | Topic | What We Cover |
|---|---|---|
| 01 | Introduction to Life Cycles | Learn that all living things are born, grow, reproduce and die, and name the main stages. |
| 02 | Plant Life Cycles | Follow a plant from seed to seedling to flower and fruit, using diagrams and a simple home investigation. |
| 03 | Animal Life Cycles | Compare the life cycles of animals such as frogs, chickens and humans and identify each stage. |
| 04 | Complete and Incomplete Metamorphosis | Compare butterflies that change completely with grasshoppers that change gradually. |
| 05 | Birth, Growth, Reproduction and Death | Describe the common stages every living thing shares, even when the details differ. |
| 06 | Comparing Different Life Cycles | Spot similarities and differences between plants and animals across their lives. |
| 07 | Modeling Life Cycles | Draw diagrams, build models and make charts to show life cycle stages. |
| 08 | Life Cycles in Your Backyard | Observe local life such as monarch butterflies, tomato plants and ladybugs. |
| 09 | Life Cycles in Farms and Gardens | See how life cycle knowledge helps with growing food and managing pests. |
| 10 | Quarter 1 Review | Review life cycles. A mock test and parent report follow. |
Every One-hour Lesson Follows a Proven Structure
What a Typical Lesson Looks Like

Warm-up (5 min)
Quick review of the previous session and a what do you notice question
Core Teaching (25 min)
New idea from the lesson eBook, with demonstrations and examples
Guided Practice (15 min)
Student explores a simple investigation with tutor support
Independent Practice (10 min)
Student completes the in-class quiz independently
Wrap-up (5 min)
Summary, 2 take-home quizzes and a preview of the next session
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