Rivers and Floods Lab Worksheet Activity 1 Read and follow the directions for Activity 1 on pages 810 Answer the following After competing Activity 1, what would you say are the advantages and disadvantages of using topographic maps to study the Earths surface The advantages of using graphic maps are you can locate peaks, valleys, and it can tell you if youre traveling uphill or downhill The disadvantages of topographic maps are the information display is not exact, the map doesnt specify the