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| Energy |
| Investigation 1: Energy and Circuits |
| Investigation 2: The Force of Magnetism |
| Investigation 3: Electromagnets |
| Investigation 4: Energy Transfer |
| Investigation 5: Waves |
| Soils, Rocks, and Landforms |
| Investigation 1: Soils and Weathering |
| Investigation 2: Landforms |
| Investigation 3: Mapping Earth’s Surface |
| Investigation 4: Natural Resources |
| Environments |
| Investigation 1: Environmental Factors |
| Investigation 2: Ecosystems |
| Investigation 3: Brine Shrimp Hatching |
| Investigation 4: Range of Tolerance |