| Meal Worms #1.1 | Energy Circuits Part 1 | Soil Investigation #1 |
| Isopods #1.2 | Energy Circuits Part 2 | Soil Investigation #2 |
| Animals in Environments #1.3 | Energy Circuits Part 3 | Soil Investigation #3 |
| Freshwater Environments #2.1 | Energy Circuits Part 4 | |
| Animals in a Food Chain #2.2 | Energy Magnets Part 1 | Landforms Investigation #1 |
| Food and Populations #2.3 | Energy Magnets Part 2 | Landforms Investigation #2 |
| Animal Senses #2.4 | Energy Magnets Part 3 | Landforms Investigation #3 |
| Salinity and Brine Shrimp #3.1 | Electromagnets Part 1 | Landforms Investigation #4 |
| Brine Shrimp Hatching #3.2 | Electromagnets Part 2 | Mapping Investigation #1 |
| Brine Shrimp Environment #3.3 | Electromagnets Part 3 | Mapping Investigation #2 |
| Variations in Population #3.4 | Energy Transfer Part 1 | Mapping Investigation #3 |
| Water for Plants #4.1 | Energy Transfer Part 2 | Mapping Investigation #4 |
| Plant Environmental Factors #4.2 | Energy Transfer Part 3 | Resources Investigation #1 |
| Plant Adaptations #4.3 | Energy Waves Part 1 | Resources Investigation #2 |
| Energy Waves Part 2 | Resources Investigation #3 |
| Energy Waves Part 3 | Resources Investigation #4 |
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