Curated OER
Building A Topographic Model
Students visualize, in three dimensions, features represented by contour lines on a topographic map. They see that the different elevations shown on a two dimensional topographic map can be used to build a 3-D model.
Curated OER
Water Quality
Students examine pieces of expository writing. They identify key words and vocabulary. In other activities, they read about water quality to practice reading for comprehension.