Contour Lines Flashcards
(15 cards)
Contour Lines:
Lines on a map that show the height and shape of a land
Model:
A smaller copy of an object to help show us what the real object looks like.
Topographic Maps:
Large scale maps that show natural and human features.
Which maps are contour lines drawn on?
Topographic maps
Relief:
Difference in elevation between two points
What is the concept of contour lines?
Join places of same height above sea level.
Make patterns showing relief of land.
Do contour lines cross?
No
When do contour lines join to form a single contour line?
When there is a vertical cliff
Do contour lines split?
No
What does it mean when contour lines are far apart?
A gentle slope
What does it mean when contour lines are close together?
Steep slope
What does it mean when contour lines are evenly spaced?
Uniform slope
What do you call difference in altitude between successive contours?
Contour interval
What does it mean when contour lines are close at the top and far apart at the bottom?
Concave slope
What does it mean when contour lines are gentle at the top and close together at the bottom?
Convex slope
