| Oregon | Life | Earth | Physical |
| Grade 2 | Soil Habitats | Shoreline Science | |
| Grade 3 | Weather and Water | Gravity and Magnetism | |
| Grade 4 | Digestion and Body Systems | Light Energy | |
| Grade 5 | Aquatic Ecosystems | Planets and Moons | |
| Grade 6 | Chemical Changes |
In addition, using Seeds of Science Roots of Reading® Units provides 25% coverage (average) on OR ELA Standards at each grade level..