Unit 1ㆍTake Action
1. Rescue Teams The Summer of the Swans
2. A Lost City Lost City: The Discovery of Machu Picchu
3. Science for All Time For Kids: Gecko Glue, Cockroach Scouts, and Spider Silk Bridges
4. Sharing Traditions The Magic Gourd
5. Protecting Wildlife Interrupted Jouney
6. Unit Review: Sentences

Unit 2ㆍSaving the Day
7. Team Spirit How Tia Lola Came to Vistit
8. The Solar System The Night of the Pomegranates
9. Helping Hands Time For Kids: Zoo Stroy
10. Tales of Old Rumplestiltskin’s Daughter
11. Sled Dogs as Heroes The Great Serum Race
12. Unit Review: Nouns

Unit 3ㆍGreat Ideas
13. The Old Southwest Juan Verdades: The Man Who Couldn’t Tell a Lie
14. Putting It in Writing Nothing Ever Happens on 90th Street
15. Energy Time For Kids: Building Green
16. Archeology The Emperor’s Silent Army
17. Show Time The Case of the Phantom Poet!
18. Unit Review: Verbs

Unit 4ㆍAchievements
19. Uncommon Champions SeeingThings His Own Way?
20. Oceanography Exploring the Titanic
21. Helping Others Time For Kids: Saving Grace
22. Cycling Major Taylor
23. Rieces from the Past A Single Shard
24. Unit Review: Pronouns

Unit 5ㆍTurning Points
25. Mentors Breaking Ta-Na-E-Ka
26. Money Matters Time For Kids: Many Countries, One Currency: Europe and the Euro
27. Collections Honus and Me
28. Taking a Stand Let It Shine: Stories of Black Women Freedom Fighters
29. Unit Review: Adjectives

Unit 6ㆍYesterday, Today, and Tomorrow
30. Great Designs Last Forever Leonardo’s Horse
31. Time Traverl LAFFF
32. Keeping in Touch Time For Kids: These Walls Can Talk
33. Print, Past and Present Breaking Into Pring: Before and After the Printing Press
34. Volcanoes, Past and Present The Dog of Pompeii
35. Unit Review: Adverbs