Lesson 13a he river from source to mouth

25 November, 2014 How do rivers change from their source to

the mouth?

Check that you have made two predictions:

Write two sentences for each:

– Name size, height and what you’d see.

– What will the land be used for?

Star Question

How do the following link:

Source of a river

Higher marks are awarded for linking topics together. In this case weather and climate and rivers.

Homework

4th December 2014

SAMLearning task – how rivers shape the land

Centre ID: BN1PB

Username: Forename initial, Surname initial, DDMMYY of DoB

Stages of a River

Source

Mouth

Factor and definition: Upper Stage Middle Stage Lower Stage

Erosion

Gradient

Depth

Velocity

Width

Volume

Landforms

1. Use the text book to find definitions of

Factor and definition:

Erosion The wearing away of rock and soil by rivers and the coast.

Gradient Steepness of a slope

Depth How deep a river is, measured in centimetres

Velocity The speed and direction of a river, measured in m/sec

Width How wide a river is, measured in meters

Volume How much water is discharged by the river, measured in cumecs

Landforms Distinctive features found along a river – e.g. waterfall.

The Amazon – the world’s greatest river – which follows the route through the Earth’s largest forest, as the most bio-diverse habitat on the planet and is home to some of the most remote tribes on Earth.

Starter: Write a description what the start of the River Amazon looks like.

What is the river drainage system?

Source: Where a river starts

Watershed: the high land that separates two drainage basins

The source

Describe the landscape

and landforms

Describe how the river

and land is used

The upper course – The River Severn

Tributary: A small river that flows into a large river

Confluence: The point where two rivers meet

The Middle course of the River Severn

2

Mouth: the end of a river where it flows into a lake or the sea

The mouth

Describe the landscape

and landforms

Describe how the river

and land is used

The Lower Course of the River Severn

• Explain why people build on flood plains. (1) (Simple point.)

• What effect does this have on the hydrological cycle? (3) (complex sentence, PEE)

• Describe the main changes of a river between its source and mouth (4) (4 simple comparative statements, no opposites)

How do rivers shape the land

• Quiz.

• 10 photos

• State the stage of the river (Upper, Middle, Lower) or River Basin feature

1.

Feature

2.

Stage

3.

Stage

4.

Feature and Stage

5.

Stage

6.

Stage

7.

Feature x2

8.

Feature and stage

9.

10.

Stage

The river basin system

• Geog.GCSE

• Page 67

• Questions 1 and 2

Amazon

• Watch the film clip

• Take notes on the River Amazon

• Describe the landscape, landforms and how the river + the land is used.