Contours (Leaving Cert DCG): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a contour?
What is a contour?
Line joining points of equal elevation
How do hills and mountains appear on a contour map?
How do hills and mountains appear on a contour map?
As closed circles or ovals
In what shape do contours point when showing a valley?
In what shape do contours point when showing a valley?
V-shape pointing uphill
What do closely spaced contours indicate?
What do closely spaced contours indicate?
Steep slopes
What is the contour interval?
What is the contour interval?
Vertical distance between contour lines
Which factor affects the choice of contour interval?
Which factor affects the choice of contour interval?
Terrain being mapped
What is the commonly used grid square size in the grid layout method?
What is the commonly used grid square size in the grid layout method?
10m × 10m
What is interpolation in contour mapping?
What is interpolation in contour mapping?
Estimating contour positions between points
Points A (138.3m) & B (141.7m): where is the 140m contour located?
Points A (138.3m) & B (141.7m): where is the 140m contour located?
Halfway between A and B
What is the main benefit of using templates for interpolation?
What is the main benefit of using templates for interpolation?
Dividing lines into equal parts easily