Curated OER
Introductory Module
Third graders examine the non-standard method of measurement and compare it to the metric system of measurement. In this introductory module lesson, 3rd graders discover the scientific observation. Students also develop communication...
Curated OER
Density
Students find the mass, volume, and density of various objects. In this density measurement instructional activity, students observe how same-sized objects can have different masses, then use water displacement to find the density of...