1. Unit 3 Lesson 1 What Are Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

2. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

3. Warm up: Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

4. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

5. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

6. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

7. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

8. Exit slip: Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

9. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

10. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

11. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

12. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company

13. Unit 3 Lesson 2 How can we observe Cells?
Copyright © Houghton Mifflin Harcourt Publishing Company