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      Water flow around buildings

      Lesson details

      Learning outcome

      I can describe how buildings collect rainwater and I can explain how water enters and leaves buildings and is used in many different ways.

      Key learning points

      1. Rainwater is collected by sloping roofs and gutters, and flows into drainpipes, waterbutts and drains.
      2. Water enters buildings at the stopcock and travels through pipes to be used for drinking, heating, toilets, etc.
      3. Wastewater from sinks, baths, washing machines and toilets goes into the drain and then to the main sewer.

      Keywords

      • Precipitation - Precipitation is water that falls from the sky as rain, snow, hail or sleet.

      • Purified - If something has been purified it has had any bad substances removed to make it pure again.

      • Interconnected - When two or more things are connected to each other they are interconnected.

      Common misconception

      That water enters a building in multiple places, or that whenever there is a tap water enters at that point.

      All buildings have at least one stopcock. This is the only point of entry for water into a building. In the event of a flood or burst pipe, the stopcock can be turned off to stop any more water entering the building.

      Teacher tip

      Ask pupils to talk to an adult at home about water in the building where they live and if possible for them to show them where the stopcock is and what it looks like. Take photos at home of places where they access water and investigate how water goes to and from them.

      Licence

      This content is © Oak National Academy Limited (2026), 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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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of these is a type of precipitation?

      wind
      sunshine
      Correct answer: rain
      thunder

      Q2.
      Which of these are processes in the water cycle?

      Correct answer: evaporation
      multiplication
      Correct answer: condensation
      Correct answer: collection
      inspiration

      Q3.
      Which process is when water becomes water vapour?

      Correct answer: evaporation
      condensation
      collection
      precipitation

      Q4.
      The process that describes how water is stored on Earth is called ...

      Correct Answer: collection

      Q5.
      Which of these are natural ways that water is collected and stored?

      Correct answer: vegetation
      Correct answer: lakes and seas
      swimming pools
      Correct answer: soil
      water bottles

      Q6.
      True or false? The water cycle creates new water that we can use for everyday tasks.

      True
      Correct answer: False

      6 Questions

      Q1.
      When rainwater falls on the roof of a building, what does it flow into?

      a waterbutt
      Correct answer: a gutter
      a drainpipe
      a drain

      Q2.
      Which type of water is safe for humans to drink?

      rainwater
      Correct answer: mains water
      river water

      Q3.
      Why are waterbutts useful?

      they look pretty in the garden
      they attach to drainpipes
      Correct answer: they store rainwater for future use
      they store mains water for future use

      Q4.
      Match the words to the correct definitions.

      Correct Answer:stopcock,a tap that lets mains water enter a building
      Correct Answer:wastewater,water that has been used
      Correct Answer:sewer,an underground pipe for wastewater
      Correct Answer:drains,pipes that lead to the sewer
      Correct Answer:gutter,an open pipe running along a roof

      Q5.
      Can you put this sequence into the correct order?

      1 - Rainwater falls on a roof.
      2 - Rainwater collects in the gutter.
      3 - Rainwater falls down a drainpipe.
      4 - Rainwater enters the drain or is stored in a waterbutt.

      Q6.
      Can you put these steps into the correct order?

      1 - Mains water enters a building through the stopcock.
      2 - Water is transported around a building in pipes.
      3 - Water is used for daily tasks.
      4 - Wastewater is sent to the drains.
      5 - Wastewater travels through the drain to the sewer.

      To help you plan your 3 geography lesson on: Water flow around buildings, download all teaching resources for free and adapt to suit your pupils' needs...