Earth Science Lesson Archive First Grade Lessons Snow, Ice, Water, and the 4 Senses Weather Weather_and_Static_Electricity Introduction Using the Senses to Figure out the Weather Second Grade Lessons Water in the Air Water in Plants Buoyancy Surface Tension Water Conservation Air Aif Pressure Air Pressure Soil pH Spectacular Soils States of Matter Static Electricity To make a septic tank When Soils Get Wet Third Grade Lessons Soil, Density, and pH Soil Density and pH Structure of the Earth Types of Rocks Water Cycle Weather Introduction, volcanoes The Infamous Volcano Volcanoes Fourth Grade Lessons Earth's motion and sessions Fifth Grade Lessons Sixth Grade Lessons