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Chapter 3:
Lesson 1
Introduction to Ecosystems
Chapter 4:
Lesson 2
Plants and Their Surroundings
Chapter 9:
Lesson 3
Classifying Matter
Chapter 11:
Lesson 4
Simple Machines
Chapter 3:
Lesson 2
Biomes
Chapter 4:
Lesson 3
Changes in Ecosystems
Chapter 11:
Lesson 1
Motion and Forces
Chapter 12:
Lesson 4
Electricity
Chapter 3:
Lesson 3
Relationships in Ecosystems
Chapter 9:
Lesson 1
Describing Matter
Chapter 11:
Lesson 2
Work and Energy
Chapter 4:
Lesson 1
Animal Adaptations
Chapter 9:
Lesson 2
Measurement
Chapter 11:
Lesson 3
Motion and Forces
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