What is calculated before construction?, Volume, Water, What is the process of removing soil?, Cut, Rain, What is the process of adding soil?, River, Fill, What is the height of land called?, Elevation, Wind, What shows equal height on a map?, Contour lines, Cloud, What method divides land into squares?, Water, Grid method, What is a side view of land called?, Cross-section, Sun, Why is land leveling used?, Construction, Game, What is done before construction?, Rest, Planning, What are works related to land called?, Water management, Earthworks, Why is volume calculation important?, Irrigation, Construction, What shows land surface shape?, Relief, Elevation, What data is important for building?, Elevation, Contour lines, Why is land studied?, Navigation, Construction, Where is topography used?, Construction, Mapping.

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