Vocabulary & Concepts: Louis Pasteur and the Development of Germ Theory

History
GCSE
8 questions
~16 mins
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Vocabulary & Concepts: Louis Pasteur and the Development of Germ Theory

Subject: HistoryGrade: GCSE
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Grade GCSE
A

Vocabulary and Key Concepts

Louis Pasteur and Germ Theory

In the 19th century, Louis Pasteur developed the germ theory of disease, which suggested that tiny microorganisms were the cause of many illnesses. This was a major breakthrough because it changed the way doctors understood and treated diseases.

Key Vocabulary:

  • Germ Theory
  • Microorganisms
  • Infection
  • Vaccination
  • Pasteurization

Background:

Before Pasteur, many believed that diseases were caused by miasma or 'bad air'. Pasteur's experiments proved that microorganisms caused fermentation and decay, leading to the idea that they could also cause disease.

Historical View:

Historians see Pasteur's work as a turning point that helped move medicine away from superstition and towards scientific understanding.

1.
Define the term 'germ theory' and explain its significance in 19th-century medicine.
[3 marks]
2.
Compare the ideas of miasma and germ theory regarding the causes of disease.
[4 marks]
3.
Outline how Pasteur's discoveries influenced the development of vaccines.
[3 marks]
4.
Analyse the impact of Pasteur's germ theory on public health practices in the 19th century.
[6 marks]
5.
Explain why Pasteur's discoveries were considered a turning point in medical history.
[3 marks]
6.
Compare Pasteur's approach to disease prevention with earlier methods used before his discoveries.
[4 marks]
7.
Outline the process Pasteur used to develop vaccines for rabies and anthrax.
[3 marks]
8.
Analyse how Pasteur's work contributed to the decline of superstition and traditional beliefs about disease.
[6 marks]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet