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Year 3

What landforms do rivers create? (Part 2)

In this lesson, we will be learning about how meanders in rivers are formed. In order to do this, we will be looking at the process of erosion and deposition in more depth. We will also be learning about how an oxbow lake is formed.

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Year 3

What landforms do rivers create? (Part 2)

In this lesson, we will be learning about how meanders in rivers are formed. In order to do this, we will be looking at the process of erosion and deposition in more depth. We will also be learning about how an oxbow lake is formed.

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Lesson details

Key learning points

  1. What a meander is
  2. How a meander forms
  3. How an oxbow lake forms

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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9 Questions

Q1.
What sort of erosion is the river doing in the upper course (closest to the source where it is flowing through hills and mountains)?
lateral (sideways) erosion
Correct answer: vertical (downwards) erosion
Q2.
Where does lateral erosion take place?
at the source
Correct answer: in the middle and lower course (further away from the source, closer to the mouth)
in the upper course (closest to the source where it is flowing through hills and mountains)
Q3.
What effect does the vertical erosion have on the valley?
Correct answer: it makes it deeper
it makes it wider
Q4.
What type of rock does the river find the easiest to erode?
Correct answer: less resistant (softer) rock
more resistant (harder rock)
Q5.
What are interlocking spurs?
sections of rock that stick out, that the river has been able to erode easily
Correct answer: sections of rock that stick out, that the river has not been able to erode as easily
Q6.
Where does the river form a V-shaped valley and interlocking spurs?
Lower course
Middle course
Correct answer: Upper course
Q7.
Which type of erosion helps form V-shaped valleys?
lateral (sideways) erosion
Correct answer: vertical (downwards) erosion
Q8.
The Horseshoe Bend in the Grand Canyon has been created by....
deposition
Correct answer: erosion
transportation
Q9.
The Nile Delta has been created by....
Correct answer: deposition
erosion
transportation

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11 Questions

Q1.
Which type of erosion makes a river wider?
Correct answer: lateral (sideways) erosion
vertical (downwards) erosion
Q2.
What are big bends in rivers called?
deposition
erosion
Correct answer: meanders
mouth
source
Q3.
When water goes around a bend in a river, where does the water move the fastest?
inside of the bend
Correct answer: outside of the bend
Q4.
When does a river have more energy?
Correct answer: when it is moving quickly
when it is moving slowly
Q5.
When water goes around a bend in a river, where does deposition happen?
Correct answer: on the inside of the bend where water moves slowly
on the outside of the bend where the water moves fast
Q6.
Finish this sentence. As the meanders in a river get bigger, the neck of the meander becomes more _______.
fast
Correct answer: narrow
slow
wide
Q7.
What is the first stage in meander formation?
Deposition occurs on the inside of the bend
Erosion causes the bends to get bigger
Correct answer: Lateral erosion creates gentle bends
Over time, the meander grows bigger.
Q8.
What is the second stage in meander formation?
Deposition occurs on the inside of the bend
Correct answer: Erosion causes the bends to get bigger
Lateral erosion creates gentle bends
Over time, the meander grows bigger.
Q9.
What is the third stage in meander formation?
Deposition occurs on the inside of the bend
Erosion causes the bends to get bigger
Lateral erosion creates gentle bends
Correct answer: Over time, the meander grows bigger.
Q10.
What is the forth stage in meander formation?
Correct answer: Deposition occurs on the inside of the bend
Erosion causes the bends to get bigger
Lateral erosion creates gentle bends
Over time, the meander grows bigger.
Q11.
How is an oxbow lake created?
A meander becomes very deep and the river breaks through, creating an oxbow lake
Correct answer: A meander becomes very narrow and the river breaks through, creating an oxbow lake
A meander becomes very shallow and the river breaks through, creating an oxbow lake
A meander becomes very wide and the river breaks through, creating an oxbow lake