
Lesson 5- Flooding
Presentation
•
Geography
•
7th Grade
•
Practice Problem
•
Easy
Miss Neill
Used 14+ times
FREE Resource
29 Slides • 33 Questions
1
Lesson 5- Flooding
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While you wait: read the article that I have shared on the classroom on the recent Manchester floods.
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Quick Quiz
Let's see what we can remember from the past few lessons...
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Open Ended
Define the word precipitation.
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Define the word precipitation.
Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the Earth. It comes in many forms such as like rain, hail, sleet and snow.
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Multiple Choice
Evaporation is...
Water moving along the surface of the ground.
Water turns into tiny droplets which float in the air.
Water falling from the sky (e.g. rainfall)
Water vapour turns back into liquid, forming clouds.
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Evaporation is...
Evaporation is when a liquid turns into a gas and rises into the atmosphere.
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Multiple Choice
Condensation is...
Water turns into tiny droplets which float in the air.
Lots of water droplets floating in the sky
Water vapour turns back into liquid, forming clouds.
Water moving along the surface of the ground.
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Condensation is...
Condensation is when a gas turns back into a liquid through the process of cooling.
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Open Ended
What is involved in a geographical experiment?
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What is involved in a geographical experiment?
In a geographical experiment we have a research question that we are investigating. We use equipment to follow a method and also complete a write-up of the findings.
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Multiple Choice
Does water soak into grass?
Yes
No
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Does water soak into grass?
Yes- it is permeable (lets water soak through it)
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Multiple Choice
Does water soak into concrete/stone?
Yes
No
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Does water soak into concrete/stone?
No- it is impermeable (does not let water soak through it)
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Geographical Investigation write-up
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Green pen time- write up
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Open Ended
Being a geographer is all about asking questions.
What geographical question could you ask about the previous image to find out a bit more about what's going on?
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Sticky notes task
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https://www.youtube.com/watch?v=udRNUBHbE0o
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Open Ended
What is flooding?
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Multiple Choice
Is flooding more likely on higher or lower ground?
Higher
Lower
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Open Ended
Why is flooding more likely to happen on lower than higher ground?
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Open Ended
Explain why melting snow can cause flooding.
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Human vs Physical factors
Human- factors to do with people. For example: population, culture, buildings etc
Physical- factors to do with nature. For example: animals, ecosystems weather etc
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Open Ended
Can you think of any human factors that could cause flooding?
Challenge: Can you explain why this might cause flooding.
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Open Ended
Can you think of any physical factors that could cause flooding?
Challenge: Can you explain why this might cause flooding.
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Causes of flooding
Over the next few slides we will investigate factors that cause flooding
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Multiple Choice
Is heavy rainfall a human or physical cause of flooding?
Human
Physical
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Open Ended
Explain your reason to the previous question.
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Multiple Choice
Is building and creating new buildings with impermeable surfaces a human or physical cause of flooding?
Human
Physical
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Open Ended
Explain your reason to the previous question.
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Multiple Choice
Are steep-sided slopes a human or physical cause of flooding?
Human
Physical
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Open Ended
Explain your reason to the previous question.
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Multiple Choice
Is cutting down trees a human or physical cause of flooding?
Human
Physical
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Open Ended
Explain your reason to the previous question.
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Poll
Which factor do you think causes the most severe floods?
Deforestation
Steep-sided slopes
Heavy rainfall
Building with impermeable materials
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Open Ended
Explain your answer to the previous question.
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Reducing the risk of river flooding
There are many strategies that can be put in place to try and reduce the effects of river flooding.
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Open Ended
Give me your ideas- how could we stop rivers from flooding?
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Multiple Choice
This type of river engineering is expensive...
Soft engineering
Hard engineering
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Multiple Choice
This type of river engineering is good for the environment...
Soft engineering
Hard engineering
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Multiple Choice
This type of river engineering is less effective at reducing river floods
Soft engineering
Hard engineering
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Multiple Choice
This type of river engineering uses man-made structures to control flooding...
Soft engineering
Hard engineering
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Flooding- Management Strategies
Over the next few slides you will see information on hard and soft river engineering strategies
Start to consider which one you think will be the most successful in reducing the effects of flooding
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Poll
Which river engineering strategy do you think is the most effective at reducing the risk of flooding?
Afforestation
Managed flooding
Channel straightening
Dams and reservoirs
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Open Ended
Explain your answer to the previous question.
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Plenary
- 3 things you have learnt
- 2 questions you have
- 1 thing you would like to learn next
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Open Ended
3 things you have learnt...
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Open Ended
2 questions you have...
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Open Ended
1 thing you would like to learn next...
Lesson 5- Flooding
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