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FOSS Pathways Elementary (Pre-K–5)
| Module | Excel | |
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| Observing Nature |  |
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| Trees and Weather | |
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| Materials and Forces | |
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| Animals Two by Two | |
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| Changes in the Sky | |
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| Sound and Light | |
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| Plants and Animals | |
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| Water and Landforms | |
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| Solids and Liquids | |
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| Insects and Plants | |
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| Water and Climate | |
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| Motion | |
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| Structures of Life | |
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| Soils, Rocks, and Landforms | |
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| Energy | |
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| Senses and Survival | |
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| Earth and Sun | |
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| Mixtures and Solutions | |
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| Living Systems | |
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FOSS Pathways Grade-Level Kits
| Module | Excel | |
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| Grade Kindergarten | |
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| Grade 1 | |
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| Grade 2 | |
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| Grade 3 | |
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| Grade 4 | |
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| Grade 5 | |
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FOSS Next Generation Elementary (Pre-K–5)
| Module | Excel | |
|---|---|---|
| Air and Weather | |
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| Animals Two by Two | |
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| Earth and Sun | |
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| Energy | |
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| Environments | |
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| Forces in Action | |
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| Insects and Plants | |
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| Living Systems | |
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| Materials and Motion | |
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| Mixtures and Solutions | |
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| Motion and Matter | |
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| Observing Nature | |
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| Pebbles, Sand, and Silt | |
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| Plants and Animals | |
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| Soils, Rocks, and Landforms | |
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| Solids and Liquids | |
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| Sound and Light | |
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| Sound Design | |
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| Structures of Life | |
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| Trees and Weather | |
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| Water and Climate | |
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| Weather and Seasons | |
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FOSS Next Generation Elementary Grade-Level Kits
| Module | Excel | |
|---|---|---|
| Kindergarten | |
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| Grade 1 | |
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| Grade 2 | |
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| Grade 3 | |
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| Grade 4 | |
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| Grade 5 | |
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FOSS Next Generation Middle School (6–8)
| Module | Excel | |
|---|---|---|
| Chemical Interactions | |
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| Diversity of Life | |
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| Earth History | |
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| Electromagnetic Force | |
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| Gravity and Kinetic Energy | |
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| Heredity and Adaptation | |
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| Human Systems Interactions | |
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| Planetary Science | |
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| Populations and Ecosystems | |
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| Variables and Design | |
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| Waves | |
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| Weather and Water | |
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FOSS 3rd Edition (K–6)
| Module | Excel | |
|---|---|---|
| Air and Weather | |
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| Animals Two by Two | |
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| Balance and Motion | |
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| Energy and Electromagnetism | |
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| Environments | |
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| Insects and Plants | |
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| Living Systems | |
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| Materials in our World | |
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| Measuring Matter | |
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| Mixtures and Solutions | |
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| Motion, Force, and Models | |
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| Pebbles, Sand, and Silt | |
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| Plants and Animals | |
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| Soils, Rocks, and Landforms | |
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| Solids and Liquids | |
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| Structures of Life | |
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| Sun, Moon, and Planets | |
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| Trees and Weather | |
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| Water | |
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| Weather on Earth | |
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ScienceFLEX
| Module | Excel | |
|---|---|---|
| Connections and Changes in Ecosystems | |
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| Dirt on Dirt | |
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| Earth's Changing Surface | |
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| Energy and States of Matter | |
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| Energy in the Web of Life | |
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| Machines at Work and Play | |
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| Our Active Earth | |
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| Solar System and Beyond | |
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