Part 1. Life Science
Lesson 1. Grouping Plants
Lesson 2. How Seeds Are Scattered
Lesson 3. Animal Adaptations
Lesson 4. Food Chain
Lesson 5. Habitats

Part 2. Earth Science
Lesson 6. Earth's Structure
Lesson 7. Changes on Earth
Lesson 8. Rocks and Minerals
Lesson 9. Changes in Weather
Lesson 10. The Moon, Planets, and Stars

Part 3. Physical Science
Lesson 11. Exploring Electricity
Lesson 12. Forces
Lesson 13. Work
Lesson 14. Sources of Heat
Lesson 15. Light and Colors