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1010 Pasteur

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Prior to Louis Pasteur's work, there were two main theories about what caused disease: 1) Spontaneous generation - disease was caused by germs that spontaneously generated from decaying organic matter. 2) Miasma theory - disease was caused by "bad air" or poisonous vapors from rotting organic matter. Louis Pasteur's experiments with wine and silk worms helped disprove spontaneous generation and establish the germ theory of disease - that specific germs/microorganisms are the agents that cause specific diseases. Factors that contributed to Pasteur's discoveries included advances in microscope technology that allowed him to observe microorganisms, as well as experiments involving repeated tests and controls

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Whatdidpeoplethinkcaused disease1750-1900 Discuss&write downasentence toexplainall images.
LO:Howdidscientistsdiscover thatgermscausedisease. All will be able toidentify what people thought caused disease prior to Pasteur. Most will be able todescribe the work of Louis Pasteur and germ theory. (D) Some will be able toexplain factors that were important in the discovery of germ theory. (A)
SpontaneousGeneration Spontaneous Generation - Disease was caused by germs that were produced by flesh and vegetables as they rotted. People believed that germs were the result of disease, not the cause of it! Miasma Disease was caused by bad air that was filled with poisonous fumes from rotting matter.
VanLeeuwenhoek In 1677 A clock maker from Holland, Anthony van Leeuwenhoek, made a very basic microscope. To his amazement, he found tiny creatures moving about in nearly all of the things he placed under his new intervention. Found them in water droplets, pepper, food and faeces. He called them animalcules and published his findings. Whatwerethese animalcules? Drawasmallimageofthe microscopeandexplainit
LouisPasteur WHO WAS HE? Born in France 1822. He studied chemistry and biology, taking charge of science at Lille University in 1854. It was his reputation as a top chemist that first led one of Lilles top wine producers to go to Pasteur for help WHAT DID HE DO? You each have a part of the story of Louis Pasteur You have 12 minutes to piece together the story of Pasteur and complete your storyboard. You must educate rather than copy
Pasteur Once you have completed your storyboard - Summarise what germ theory is in your own words. - EXT: What factors were involved in Pasteur's discovery? Think! What factors have we looked at else where in the course (Jenner, how many times was the experiment repeated) Think! What role does industry play (i.e. the silk company)?
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AllWriteConsensus You now have 6 minutes to discuss an answer to the following question in your groups of four. After the 6 minutes you will write the same answer that you have discussed to the question in your own style. What factors affected Pasteurs development of the germ theory? (12 marks). Link the factors to how they helped develop Pasteur's work. You cant write about them all, choose a couple to focus on. Group One Lenny, Tom B, Alice, Amarilda. Group Two Chelsea, Ellie, Liam W, Branden. Group Three Max, Rebecca, Alice, Kira. Group Four Connor, Joe, Shannon, Johnny. Group Five - Georgia, Asiatu, Tom H, Sophie.
PeerAssess - Answer makes general comments on the germ theory. 1-4 - Answer describes one factor such as the role of technology leading to improvements in the microscope. 5-8 - Answer includes some explanation of various factors such as scientific methods and clearly explains how these helped in the development of the germ theory. 9-12 WWW What Went Well Look at my comments as a guide EBI Even Better If Look at my comments as a guide
Summarise Summarise something that you have learnt in todays lesson using the Play-Doh provided You have 5 minutes it can be abstract. Prepare to Share

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1010 Pasteur

  • 2. LO:Howdidscientistsdiscover thatgermscausedisease. All will be able toidentify what people thought caused disease prior to Pasteur. Most will be able todescribe the work of Louis Pasteur and germ theory. (D) Some will be able toexplain factors that were important in the discovery of germ theory. (A)
  • 3. SpontaneousGeneration Spontaneous Generation - Disease was caused by germs that were produced by flesh and vegetables as they rotted. People believed that germs were the result of disease, not the cause of it! Miasma Disease was caused by bad air that was filled with poisonous fumes from rotting matter.
  • 4. VanLeeuwenhoek In 1677 A clock maker from Holland, Anthony van Leeuwenhoek, made a very basic microscope. To his amazement, he found tiny creatures moving about in nearly all of the things he placed under his new intervention. Found them in water droplets, pepper, food and faeces. He called them animalcules and published his findings. Whatwerethese animalcules? Drawasmallimageofthe microscopeandexplainit
  • 5. LouisPasteur WHO WAS HE? Born in France 1822. He studied chemistry and biology, taking charge of science at Lille University in 1854. It was his reputation as a top chemist that first led one of Lilles top wine producers to go to Pasteur for help WHAT DID HE DO? You each have a part of the story of Louis Pasteur You have 12 minutes to piece together the story of Pasteur and complete your storyboard. You must educate rather than copy
  • 6. Pasteur Once you have completed your storyboard - Summarise what germ theory is in your own words. - EXT: What factors were involved in Pasteur's discovery? Think! What factors have we looked at else where in the course (Jenner, how many times was the experiment repeated) Think! What role does industry play (i.e. the silk company)?
  • 8. AllWriteConsensus You now have 6 minutes to discuss an answer to the following question in your groups of four. After the 6 minutes you will write the same answer that you have discussed to the question in your own style. What factors affected Pasteurs development of the germ theory? (12 marks). Link the factors to how they helped develop Pasteur's work. You cant write about them all, choose a couple to focus on. Group One Lenny, Tom B, Alice, Amarilda. Group Two Chelsea, Ellie, Liam W, Branden. Group Three Max, Rebecca, Alice, Kira. Group Four Connor, Joe, Shannon, Johnny. Group Five - Georgia, Asiatu, Tom H, Sophie.
  • 9. PeerAssess - Answer makes general comments on the germ theory. 1-4 - Answer describes one factor such as the role of technology leading to improvements in the microscope. 5-8 - Answer includes some explanation of various factors such as scientific methods and clearly explains how these helped in the development of the germ theory. 9-12 WWW What Went Well Look at my comments as a guide EBI Even Better If Look at my comments as a guide
  • 10. Summarise Summarise something that you have learnt in todays lesson using the Play-Doh provided You have 5 minutes it can be abstract. Prepare to Share