New
New
Year 3

Flooding impacts and solutions

I can explain the short and long term impacts of flooding and describe ways that flooding can be reduced.

New
New
Year 3

Flooding impacts and solutions

I can explain the short and long term impacts of flooding and describe ways that flooding can be reduced.

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Lesson details

Key learning points

  1. River flooding can cause short-term and long-term problems.
  2. Digital maps can be used to show areas at risk from flooding.
  3. The impacts of flooding can be reduced by warning people in advance.
  4. The risks of river flooding can be reduced by building embankments and planting trees.

Keywords

  • Digital map - Maps that can be viewed on a computer.

  • Embankment - Embankments are where the sides of the river are raised to stop water escaping.

  • Drainage basin - A drainage basin is the area drained by a river and its tributaries.

  • Evaporation - Evaporation is where liquid heats up and turns into a gas.

Common misconception

Flooding only causes bad impacts.

In some parts of the world flooding can bring sediment to the soil which helps crops grow.

For the final task pupils can make a model of a drainage basin which is likely to flood and one of a drainage basin which is not likely to flood.
Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
What type of weather causes flooding?
sunny and dry
cloudy and mild
Correct answer: heavy rainfall
cool and showery
Q2.
A river floods when the water goes over the top of its...
Correct answer: banks
bed
source
mouth
Q3.
How can humans increase the risk of flooding?
Correct answer: create more tarmac and concrete surfaces
Correct answer: more people live in towns and cites
steep slopes next to the river
Correct answer: cutting trees down
Q4.
What is the flat area next to the river called?
An image in a quiz
Correct answer: floodplain
meander
lake
Q5.
What is deforestation?
Correct answer: cutting trees down
planting trees
trees losing their leaves
Q6.
Why do steep slopes increase the risk of flooding?
Correct answer: more rainwater enters the river more quickly
they make the river meander
they make the river slower

6 Questions

Q1.
Match the correct definition and key term?
Correct Answer:impacts,problems or benefits caused by an event

problems or benefits caused by an event

Correct Answer:short term problems,issues during and immediately after the flood

issues during and immediately after the flood

Correct Answer:long term problems,issues that may last for a long time after the flood

issues that may last for a long time after the flood

Q2.
Shrewsbury is a town on what river?
Correct answer: Severn
Thames
Amazon
Q3.
Are these positive or negative impacts of flooding?
Correct Answer:helps crops to grow,positive

positive

Correct Answer:damages houses,negative

negative

Correct Answer:roads have to close,negative

negative

Q4.
What can we use to see if an area is at risk from flooding?
world map
Correct answer: aerial photos
Correct answer: flood risk maps
Q5.
What organisations warn people if there is a risk of flooding?
Correct answer: Met Office
Correct answer: Environment Agency
The NHS
Department for Education
Q6.
How do embankments help to reduce the risk of floods?
absorbing water from the river
slowing the river down
Correct answer: raising the sides of the river
raising the height of the river