| Sets | Page | First set |
| 3 | Combo | 5th Grade Chapter 5 Lesson 3 What are water ecosystems? |
| 3 | Combo | 5th Grade Chapter 5 Lesson 3 What are water ecosystems? |
| 6 | Combo | 8th Grade Chapter 3 Section 6 Is There Life Beyond Earth? |
| 5 | Combo | 8th Grade Chapter 3 Section 5 Comets, Asteroids and Meteors |
| 4 | Combo | 4th Grade Chapter 4 Lesson 4 How do people disturb the balance? |
| 3 | Combo | 7th Grade Chapter 4 Section 3 Using Mineral Resources |
| 4 | Combo | 5th Grade Chapter 4 Lesson 4 How do new plants grow? |
| 5 | Combo | 6th Grade Chapter 3 Section 5 Vertebrate History in Rocks |
| 4 | Combo | 7th Grade Chapter 3 Section 4 Volcanic Landforms |
| 3 | Combo | 8th Grade Chapter 3 Section 1 Observing the Solar System |
| 3 | Combo | 8th Grade Chapter 3 Section 3 The Inner Planets |
| 2 | Combo | 8th Grade Chapter 3 Section 2 The Sun |