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water on land, lesson 1, tgaw
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Unit 5: Water on the land
BIG PICTURE: How does water move around a drainage basin?
Learning OutcomesLearning OutcomesWHAT: Identify what a drainage basin is.HOW: By describing the key features of a drainage basin.WHY: So I can explain how processes of WHY: So I can explain how processes of erosionerosion and and transportationtransportation impact the impact the drainage basin.
CONNECTWrite down 3 geographical questions that you want answered about this photograph
Activate:Activate: What is a drainage basin?
• A drainage basin is A drainage basin is the area of land the area of land drained by a river and its drained by a river and its tributariestributaries..
• A tributary is a small river that feeds into
the main river.
• Today you are going to create your own Today you are going to create your own drainage basin!drainage basin!
Demonstrate:Demonstrate: What is a drainage basin?
• Task 1: Task 1: Create your drainage basin.• Task 2: Task 2: Annotate your basin with the
correct labels.• Task 3: Task 3: Complete in the 2 worksheets
to remind yourself on the processes of erosion and transportation.
Cut out the template.
Make sure you cut up the vertical line.
Using a brown crayon, shade
around the circumference of the
circle.
Using a blue crayon, shade the left triangle, draw some blue lines
running from the top of the triangle and branching out towards the edge
of the circle.
12
3
45
6
7
Watershed the area of high land forming the edge of a river basin. Source where a river begins.
Mouth where a river meets the sea.
Confluence the point at which two rivers meet.
Tributary a small river or stream that joins a larger river.
Channel this is where the river flows.
Drainage Basin this is the area of land drained by a river and its
tributaries.
1
You will now need a pen. Number the
following features on your template.
2
3
4
5
6
7
Stick the glued triangle under the shaded triangle, so it fits
neatly.
Open your book to a double page. Glue the triangle and
the bottom sides of the diagram. Stick this firmly
across the cease of the book. The tip of the triangle should
correspond to the crease.
It should look like this!
Watershed the area of high land forming the edge of a river basin.
Source where a river begins.
Mouth where a river meets the sea.
Confluence the point at which two rivers meet.
Tributary a small river or stream that joins a larger river.
Channel this is where the river flows.
Drainage Basin this is the area of land drained by a river and its
tributaries.
1
2
3
4
5
6
7
Give your diagram the title ‘River Basin’.
Write neatly the numbers and
corresponding definitions into your
book.
How does erosionerosion and transportationtransportation impact the drainage
basin?• RecapRecap the different processes of erosion and
transportation from the coasts unit by completing the worksheet. Use pages 100-103 to help you.
• Your homework is to learn these definitions for a test next lesson.
• Less than half marks = test to be re-sat in own time, so make sure you’re confident on each!
Extended learning: Produce a River Fact File on the Mississippi, including the following items:What are the names of its tributaries?Where is its source?Where is its mouth? How long is the river?What are the problems of living next to a river?
Watershed
ReflectCan you answer any of your key questions
about this satellite image now?