PreK: Observing Nature, Weather and Sky, Where Is It? Where Is It Moving?
Kindergarten: Animals 2x2, Trees and Weather, Materials and Motion
1st Grade: Plants and Animals, Air and Weather, Sound and Light
2nd Grade: Insects and Plants; Pebbles, Sand, and Silt; Solids and Liquids
3rd Grade: Structures of Life, Water and Climate, Motion and Matter
4th Grade: Environments, Earth and Sun, Energy
5th Grade: Living Systems; Soils, Rocks, and Landforms; Mixtures and Solutions
6th Grade: Populations and Ecosystems, Planetary Science, Weather and Water

Each FOSS module includes an equipment kit with materials for 3 classes of 32 students, teacher materials, perpetual digital access, and 32 student books that are available in English or Spanish.