Map Reading and Interpretation: Relief, Contours and Gradient
Grade 8 · Social Studies · Natural and Historic Built Environments (Map Reading and Interpretation)
Contours join places of equal height. Close contours mean a steep slope; wide contours mean a gentle slope. Relief features: hill, valley, ridge, spur, plateau. Scale: linear, statement, representative fraction (RF 1:50,000). Six-figure grid references. Gradient = vertical interval ÷ horizontal distance. Bearings are measured clockwise from north.