Powerpoint looking at the formation of meanders and oxbow lakes in the Middle Stage of the River Tay
Starter: sketch and match definitions of four types of transportation
Main activities: step-by-step slides taking pupils through the formation of meanders and oxbow lakes. Each pupil is given a fact about the processes involved. Sketches are made of meanders in different stages then pupils use their clues to teach the rest of the class about what is happening so they can label their diagrams. Also includes some photo analysis of river valleys in the real world
Second part gets pupils to draw and label a cross-section of an asymmetrical meander using width, depth and velocity data
Differentiated question: 1-3: Describe how a river channel changes from one side of a meander to the other; 4-6: Explain how a meander can become an oxbow lake over time; 7-9: Explain how meanders and oxbow lakes can be both useful and cause problems for humans
Plenary: pupils recap learning by describing and explaining features seen in a series of satellite photos showing a meander turning into an oxbow over time
Starter: sketch and match definitions of four types of transportation
Main activities: step-by-step slides taking pupils through the formation of meanders and oxbow lakes. Each pupil is given a fact about the processes involved. Sketches are made of meanders in different stages then pupils use their clues to teach the rest of the class about what is happening so they can label their diagrams. Also includes some photo analysis of river valleys in the real world
Second part gets pupils to draw and label a cross-section of an asymmetrical meander using width, depth and velocity data
Differentiated question: 1-3: Describe how a river channel changes from one side of a meander to the other; 4-6: Explain how a meander can become an oxbow lake over time; 7-9: Explain how meanders and oxbow lakes can be both useful and cause problems for humans
Plenary: pupils recap learning by describing and explaining features seen in a series of satellite photos showing a meander turning into an oxbow over time
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