Spiraled Content
Each ConceptLinks® science and social studies topic is presented through 4 leveled texts that spiral standards-based content from book to book, providing increasingly challenging concepts, academic vocabulary, and text load. The first level if the Student Books, the blue level, covers core objectives related to the topic. Each additional level covers the concepts of the previous level and develops additional ideas. This spiraled approach, paired with the leveled texts, means that all students can begin work at the appropriate level and make steady progress toward grade-level competencies.
Example: Ecosystems Module
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| Level 1, Blue | Level 2, Green | Level 3, Orange | Level 4, Purple | |
| Reading Grade Level | 2 | 3 | 4 | 5 |
| Guided Reading | K-L | M-N | P-Q | S-T |
| Lexile™ | 400 | 580 | 660 | 730 |
| TESOL | 1/2 | 3 | 4 | 5 |
| Overview of Key Concepts |
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