The Nature of Chemistry
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    • The scientific method
    • Observation and inference
    • Evidence, modelling and prediction
    • Theories and paradigm shifts
    • Cause and effect
    • Accuracy, validity and reliability
    • Reason and imagination
    • Bias and the role of humans in science
    • Communication of science
    • Contrasting with other areas of knowledge
    • (IB TOK outline)
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    • Stoichiometry
    • Atomic structure
    • Periodicity
    • Chemical bonding and structure
    • Energetics
    • Chemical kinetics
    • Equilibrium
    • Acids and bases
    • Redox processes
    • Organic chemistry
    • Measurement and data processing
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    • A - Materials
    • B - Biochemistry
    • C - Energy
    • D - Medicinal chemistry
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Option B - Biochemistry

Activity 1 - What to eat?

Sub-topic B.3 - Lipids
NOS statement 5.3 - There are many cognitive biases/fallacies of reasoning to which people are susceptible (including scientists).
Time: 10 min.
Task​: With a partner, order the following parties in terms of their responsibility towards what you eat:
  • Government
  • Food industry
  • You
  • Medical profession
  • Media
Perhaps consider the question "If a country undergoes an obesity crisis, who is to blame?" to help structure your thinking. 
Extension: What factors may influence or bias each party?
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Activity 2 - Is 'chemical surgery' on DNA acceptable?

Sub-topic B.8 - Nucleic acids
NOS statement 4.5 - Scientists often work in areas, or produce findings, that have significant ethical and political implications. 
Time​: 10 min.
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Task​: Read this article and make a list of ethical arguments for and against the future use of this science. The prompts below may help:
  • Who could this application benefit?
  • Who might argue against this approach? Why?
  • Where should we draw the line in manipulating DNA?
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  • Home
  • Recent news
  • NOC
    • The scientific method
    • Observation and inference
    • Evidence, modelling and prediction
    • Theories and paradigm shifts
    • Cause and effect
    • Accuracy, validity and reliability
    • Reason and imagination
    • Bias and the role of humans in science
    • Communication of science
    • Contrasting with other areas of knowledge
    • (IB TOK outline)
  • Topics
    • Stoichiometry
    • Atomic structure
    • Periodicity
    • Chemical bonding and structure
    • Energetics
    • Chemical kinetics
    • Equilibrium
    • Acids and bases
    • Redox processes
    • Organic chemistry
    • Measurement and data processing
  • IB Options
    • A - Materials
    • B - Biochemistry
    • C - Energy
    • D - Medicinal chemistry
  • People
  • Answers
    • NOC answers
    • Topics answers