Drainage Patterns (Grade 12 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do drainage patterns reveal about an area?
What do drainage patterns reveal about an area?
Underlying rock structure & geology
Where does the term 'dendritic' come from?
Where does the term 'dendritic' come from?
Greek word for tree
At what angle do tributaries join the main river in a dendritic pattern?
At what angle do tributaries join the main river in a dendritic pattern?
Acute angles (less than 90°)
What type of rock does a dendritic pattern form in?
What type of rock does a dendritic pattern form in?
Homogeneous rock with uniform resistance
How do main streams run in a trellis drainage pattern?
How do main streams run in a trellis drainage pattern?
Parallel to each other
At what angle do tributaries join main streams in a trellis pattern?
At what angle do tributaries join main streams in a trellis pattern?
Right angles (90°)
What geological feature creates a trellis pattern?
What geological feature creates a trellis pattern?
Bands of hard & soft rock running parallel
How do streams flow in a radial drainage pattern?
How do streams flow in a radial drainage pattern?
Outward from one central elevated point
Around which landforms do radial drainage patterns develop?
Around which landforms do radial drainage patterns develop?
Volcanic cones, domes, isolated mountains
Which angle type distinguishes dendritic from trellis patterns?
Which angle type distinguishes dendritic from trellis patterns?
Acute vs 90° tributary junction angles
