Formation of a Waterfall – Grades 7-9 LABEL BOX A B DIAGRAM A Hard rock Soft rock River Tees DIAGRAM B Overhang Gradually cutting back Cracks appear Plunge pool C D D DIAGRAM C Suddenly, overhang collapses Plunge pool filled in DIAGRAM D Waterfall retreats upstream Gorge forms Steep sides MASTERY: GOOD PROGRESS: EXCELLENT PROGRESS: Sequence the four stages of waterfall formation in the boxes A-D Add labels from the LABEL BOX to each of the four diagrams. Write a paragraph about how a waterfall is created and how it leads to the formation of a gorge (remember to use correct key terms, as well as connectives) Formation of a Waterfall – Grades 4-6 LABEL BOX DIAGRAM A Hard rock Soft rock River Tees DIAGRAM B Overhang Gradually cutting back Cracks appear Plunge pool D DIAGRAM C Suddenly, overhang collapses Plunge pool filled in DIAGRAM D Waterfall retreats upstream Gorge forms Steep sides MASTERY: Add labels from the LABEL BOX to each of the four diagrams. GOOD PROGRESS: Shade the harder (more resistant) rock with a PENCIL EXCELLENT PROGRESS: Write a paragraph about how a waterfall is created and how it leads to the formation of a gorge (remember to use correct subject terminology as well as the connectives listed below). CONNECTIVES: To begin with… This means that… Initially… Secondly… This causes… This results in… Eventually… Finally… As a result… This is because… Formation of a Waterfall – Grades 2-4 LABEL BOX DIAGRAM A Hard rock Soft rock River Tees DIAGRAM B Overhang Gradually cutting back Cracks appear Plunge pool D DIAGRAM C Suddenly, overhang collapses Plunge pool filled in DIAGRAM D Waterfall retreats upstream Gorge forms Steep sides MASTERY: Add labels from the LABEL BOX to the arrows on each of the four diagrams. GOOD PROGRESS: Shade the harder (more resistant) rock with a PENCIL EXCELLENT PROGRESS: Write a paragraph about how a waterfall is created and how it leads to the formation of a gorge (remember to use correct subject terminology, as well as the connectives listed below). CONNECTIVES: To begin with… This means that… Initially… Secondly… This causes… This results in… Eventually… Finally… As a result… This is because…