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Schemes of Work
QCA

Science at key stage 3    (Year 8)

Unit 8C: Microbes and disease

QCA

Objectives

Section 1: a. What are micro-organisms and how do we grow them?
Children should learn:
  • that there are different types of micro-organism
  • that many micro-organisms are useful, eg fungi are a source of antibiotics and are used in making food products

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Section 2: b. What are micro-organisms and how do we grow them?
Children should learn:
  • to share ideas and information, carry out the task and then review ideas
  • to decide what to measure
  • how to control variables
  • about the number of measurements needed for data in which they have confidence
  • that yeast respires like other organisms
  • to collaborate with other investigative groups to gather reliable data and draw valid conclusions

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Section 3: c. What are micro-organisms and how do we grow them?
Children should learn:
  • that bacteria can be grown
  • that manufacturing processes use micro-organisms to make products
  • to recognise hazards when working with living materials and to take action to avoid them

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Section 4: a. Can micro-organisms be harmful?
Children should learn:
  • that some micro-organisms can cause disease
  • that micro-organisms enter the body by a range of mechanisms

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Section 5: b. Can micro-organisms be harmful?
Children should learn:
  • how a theory can be used to predict behaviour which can be tested by collecting evidence
  • to listen for a specific purpose, note the main points and consider their relevance
  • how scientists today tackle the spread of infectious disease

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Section 6: Checking progress
Children should learn:
  • to recall key points, terms and concepts

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Section 7: a. How can we protect ourselves against infectious diseases?
Children should learn:
  • that the body has natural barriers to infection
  • that the production of antibodies and specialised cells in the blood are part of the defence systems of the body
  • to listen for a specific purpose, note the main points and consider their relevance

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Section 8: b. How can we protect ourselves against infectious diseases?
Children should learn:
  • that not all diseases caused by micro-organisms can easily be treated by drugs
  • that some medicines contain antibiotics which kill bacteria or prevent their growth
  • that scientific advances may depend on creative thought and interpretation of evidence

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Section 9: c. How can we protect ourselves against infectious diseases?
Children should learn:
  • that immunisation helps to protect against some diseases
  • that antibodies can pass through the placenta to the foetus and through breast milk to a baby
  • that vaccines contain material which stimulates body defences

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Section 10: d. How can we protect ourselves against infectious diseases?
Children should learn:
  • to identify patterns in data from secondary sources and to try to explain them
  • to organise facts/ideas/information in an appropriate sequence

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Section 11: Reviewing work
Children should learn:
  • to collate ideas about micro-organisms, diseases and defences against disease
  • to identify key points about micro-organisms and their relationship to disease

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Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.
1. a. What are micro-organisms and how do we grow them?
2. b. What are micro-organisms and how do we grow them?
3. c. What are micro-organisms and how do we grow them?
4. a. Can micro-organisms be harmful?
5. b. Can micro-organisms be harmful?
6. Checking progress
7. a. How can we protect ourselves against infectious diseases?
8. b. How can we protect ourselves against infectious diseases?
9. c. How can we protect ourselves against infectious diseases?
10. d. How can we protect ourselves against infectious diseases?
11. Reviewing work