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SavannahYear 8
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HistoryIndustrial Britain, 1745–190135 min★★★ difficulty

Chapter 6: Disease, evidence and public health

Industrial towns grew faster than sewers and clean-water systems. Cholera exposed the consequences and turned public health into a political question.

Part of your national curriculum
  • Britain 1066-1901: Understand ideas, political power, industry and empire in Britain 1745-1901, including the Industrial Revolution and its impact on society
  • Historical enquiry: Understand the methods of historical enquiry, including how evidence is used rigorously to make historical claims
  • Historical enquiry: Understand how our knowledge of the past is constructed from a range of sources, and how and why historians have interpreted the past in different ways

Lesson overview

What you'll learn in this lesson

Explain how evidence, politics and engineering produced public-health reform

Key learning points

  • • The sanitary crisis
  • • Chadwick and the state
  • • John Snow's enquiry
  • • Sewers and reform

This lesson at a glance

  • 35 minutes
  • 21 parts to scroll through
  • 3 quick checks
  • Marked quiz at the end
  • Gentle pace: short sittings with pauses

Words to know

evidencepoliticsengineeringproducedpublic-health

Scroll down — the lesson carries on below

Part 1 of 21 · Discover5%
1

Watch & discover

Part 1 of 21

Watch first

Chapter 6: Disease, evidence and public health

An English teaching video on this topic from Simple History. Watch it, then scroll down for the lesson.

In a nutshell

Explain how evidence, politics and engineering produced public-health reform

2

What you already know

Part 2 of 21

Before we start

What you already know

You should already know that industrial towns grew very fast, and that water can carry disease when it is contaminated with sewage.

Recap: Chapter 4: The new industrial city
3

Key words

Part 3 of 21

Key words

Words you'll need today

Miasma
The mistaken belief that bad air caused disease.
Cholera
A severe waterborne disease that caused epidemics in Victorian Britain.
Sanitation
Systems for clean water and safe waste removal.
Public Health Act
Legislation allowing or requiring authorities to improve sanitary conditions.
4

Your lesson plan

Part 4 of 21

Lesson brief

How did evidence help transform public health?

By the end, you will be able to

  • • Explain how evidence, politics and engineering produced public-health reform
  • • Use named historical evidence in context
  • • Reach a supported conclusion

Resources

  • • John Snow's cholera map (1854)
  • • Report on the Sanitary Condition of the Labouring Population (1842)
  • • Lesson notes and marked knowledge check
4 minRecall the chronology and frame the enquiry
12 minRead the textbook explanation and build the argument
11 minInterrogate the archive evidence in context
8 minAnswer the checks and write a supported conclusion
5

Learning cycle

Part 5 of 21

Learning cycle 1 of 2

A sanitary crisis

A short piece of teaching, then a check to make sure it has landed.

6

Explore the idea

Part 6 of 21

Learn

The sanitary crisis

Waste leaked from cesspits into wells and rivers. Cholera epidemics struck Britain in 1831–32, 1848–49, 1853–54 and 1866. Many experts blamed miasma, or poisonous air, because disease was worst where smells were strongest.

7

Explore the idea

Part 7 of 21

Learn

Chadwick and the state

Edwin Chadwick's 1842 report used testimony and statistics to argue that poor drainage and waste caused illness and poverty. The 1848 Public Health Act created a central board, but local action remained uneven.

8

Quick check

Part 8 of 21

Quick check

What did miasma theory claim caused disease?

9

Quick check

Part 9 of 21

Quick check

What did Snow's map show?

10

Reset break

Part 10 of 21

Pause

That's sitting 2 of 2 done

Stretch, get a drink, look out of the window. There is no timer and nothing is counting down — your place is saved, so you can come back in five minutes or tomorrow.

Stop here for now
11

Learning cycle

Part 11 of 21

Learning cycle 2 of 2

Evidence and engineering

A short piece of teaching, then a check to make sure it has landed.

12

Explore the idea

Part 12 of 21

Learn

John Snow's enquiry

During the 1854 Soho outbreak, John Snow mapped deaths and investigated water use around the Broad Street pump. The cluster strengthened his argument that contaminated water transmitted cholera, though the cholera bacterium was not identified until later.

13

Explore the idea

Part 13 of 21

Learn

Sewers and reform

The Great Stink of 1858 made the polluted Thames impossible for Parliament to ignore. Joseph Bazalgette's sewer network moved waste away from central London. The 1875 Public Health Act later required local authorities to provide sanitation and clean water.

14

Quick check

Part 14 of 21

Quick check

Which best explains public-health reform?

15

Explore the idea

Part 15 of 21

Worked example

Source study — Snow's map

Snow's 1854 map plots cholera deaths as bars beside street addresses. Its clustering is powerful spatial evidence, especially when paired with interviews about water use. The map shows correlation; Snow's wider investigation supplied the causal argument.

16

Investigate evidence

Part 16 of 21

Evidence 1 of 2

map

John Snow's cholera map

John Snow, 1854

Black bars mark deaths around Broad Street; the heaviest cluster lies close to the public water pump.

Snow combined spatial pattern with interviews about water use. The map shows a strong association; his wider enquiry supplied the causal argument.

Think like a historian

What pattern is visible, and what additional evidence is needed before claiming causation?

Source: Wellcome Collection, John Snow's map of cholera deaths

View the archive record ↗
17

Investigate evidence

Part 17 of 21

Evidence 2 of 2

primary

Report on the Sanitary Condition of the Labouring Population

Edwin Chadwick, 1842

The report assembled statistics and testimony about drainage, waste, disease and poverty in industrial towns.

A government reform document can reveal conditions and proposed solutions, while also reflecting Chadwick's assumptions and centralising aims.

Think like a historian

How did Chadwick use evidence to make poor sanitation a political problem?

Source: The National Archives, Victorian Industrial Towns

View the archive record ↗
18

Common mix-ups

Part 18 of 21

Common mix-ups

Things people often get wrong

  • People often think Snow's map instantly convinced everyone. Miasma theory kept its supporters for years afterwards.
  • People often credit one hero for reform. Evidence, politics, engineering and public disgust all played a part.
19

Challenge round

Part 19 of 21

Game · Sort it

Which of these are true?

Drag each card into the right column. Tap a card first if dragging is fiddly.

True

Not true

20

Mastery quiz

Part 20 of 21

Marked quiz

End of lesson quiz: Chapter 6: Disease, evidence and public health

6 questions, marked with the reasoning shown. No timer.

  1. 1. Miasma theory claimed disease was caused by…

  2. 2. What did Snow's map of Soho show?

  3. 3. Chadwick's 1842 report argued that…

  4. 4. The Great Stink of 1858 mattered because it…

  5. 5. Bazalgette is known for designing…

  6. 6. Public-health reform is best explained by…

21

Lesson round-up

Part 21 of 21

Lesson round-up

Ready when you are

Quiz score

Not sat

Games

Not played

Points this lesson

0

Best run

0 in a row

Luna: 0 out of 3 on the practice checks. Only if you feel up to it — one more?

Ask Luna

Do the work

Your written work for this lesson

This is the part you'd do in your book at school. Pick the pieces below, write here or on paper, and photograph anything you draw or work out.

Source

A factory inspector's notebook, 1842

"I visited the mill at seven in the morning. The machines were already running. I counted fourteen children at the frames, the youngest no more than nine years of age. The overseer told me they work from six until seven, with forty minutes for dinner."

"The air is thick with cotton dust and the windows are kept shut so the thread does not break. Two of the children showed me hands cut by the shuttles. The owner assured me that the work is light and that the families beg him for the places, since without the children's wages the rent cannot be paid."

"I have written to the magistrates. I doubt much will follow from it."

Original source-style text written for Good Learning Co.

Reading questions

  1. Who wrote this, when, and why might that make it useful to a historian?
  2. What does the source tell you about children's work — and what does it not tell you?
  3. How far does this source show that mill owners were to blame? Answer with a judgement and evidence.

Sources for this lesson

Use these for the source work task below.

John Snow's cholera map

map

John Snow, 1854

Black bars mark deaths around Broad Street; the heaviest cluster lies close to the public water pump.

Snow combined spatial pattern with interviews about water use. The map shows a strong association; his wider enquiry supplied the causal argument.

Source: Wellcome Collection, John Snow's map of cholera deaths

View the original record ↗

Report on the Sanitary Condition of the Labouring Population

primary

Edwin Chadwick, 1842

The report assembled statistics and testimony about drainage, waste, disease and poverty in industrial towns.

A government reform document can reveal conditions and proposed solutions, while also reflecting Chadwick's assumptions and centralising aims.

Source: The National Archives, Victorian Industrial Towns

View the original record ↗

  • Source work

    Reading

    Read the source closely. Write who made it, when, and what it tells you — then what it does not tell you.

    2 paragraphs

  • Essay answer

    Writing

    Answer the enquiry question with a clear judgement. Use two pieces of evidence and finish with a sentence that weighs them up.

    300–400 words

  • Timeline

    Diagram

    Draw a timeline of the events in this lesson with dates, then photograph it.

    6–8 events

Saved as you type.

Part 1 of 21 · Watch & discover

How this is going

  • Not looked at yet

    Understand ideas, political power, industry and empire in Britain 1745-1901, including the Industrial Revolution and its impact on society

  • Not looked at yet

    Understand the methods of historical enquiry, including how evidence is used rigorously to make historical claims

  • Not looked at yet

    Understand how our knowledge of the past is constructed from a range of sources, and how and why historians have interpreted the past in different ways

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