lesson plan 13 running water
TRANSCRIPT
Welcome to all
Prepared by SARATHKUMAR.S
Reg.No. 16914304014
Activity 1
• What are the sources of water?
Sources of water
• Running water.• Standing water.
Running water
•Running water is an agent of erosion transportation and deposition.
Activity 1 • Draw the diagram of a river and
mark starting point and end point:-
Factors affecting river erosion and deposition
• Amount of water• Speed of the flowing water• Hardness of the rock• Slope of the land
Landforms produced by the river
• V shaped valley.• Canyon.• Waterfall.• Flood plain.• Meander.• Oxbow lake.• Delta.
V-shaped valley
V - shaped valley
• The inclined surface on either sides of the river are called valleys.
• The down cutting of the river is faster than the lateral cutting of the valleys and due to this ,the depth of the river increases. They cause the valleys to take the “v” shape.
Canyons• A deep valley with steep near
vertical sides are known as canyons.
• E.g: Grand Canyon is situated in Arizona in USA
Acivity 2
• Experiment with a bucket of water
Waterfall
Waterfall• Water falls vertically down from the
steep places in hilly regions. This kind of flow of the river is called waterfall.
• Jog falls of Karnataka is the biggest in India
Water fall
Activity 3
•Write the name of major water falls
Rapids
Flood plain
• Flood plain is a low lying land that borders a river and is subjected to periodic flooding.
Flood plain
•Meanders
Meanders
• Big and small twist in the course of river is called Meandering. It continually change their forms.
•Ox bow lakes
Ox bow lakes
• The curve of meander gets isolated in to an individual body of water .There are called ox -bow lakes.
Delta• When rivers brings materials along with
it which gets deposited near to the mouth of the rivers the formation of the delta takes place.
• When deltas form the river splits in to smaller branches. These are the distributaries
Conclusion
Review questions
• In which river jog falls located?• What is ox –bow lake?
Follow up activity
• Prepare a picture album for running water and it’s landforms?
Thank u