"Elementary (K-6th), Writing, Math (to Prealgebra), U.S. History "
...Habitats and environments (such as marine life and wetlands) also appear. The same can be said for the different types of rocks (igneous, sedimentary, metamorphic). Don't forget the water cycle (precipitation, accumulation, evaporation, condensation) and the different types of weather it brings (rain, snow, sleet, hail). Speaking of weather, we...