Perfect Poisons

What is a poison?
Something that may harm you if used wrongly.

Examples of wrong usage:
Wrong amount
Wrong person
Wrong method

2 Perfect Poisons
Arsenic
Cyanide

Arsenic
Earth’s crust – rocks, groundwater
Well water e.g. South Asia
Mining, smelting
Industrial waste
Fertilizer
Source: UNESCO

Arsenic: famous poison

Symptoms
Death
Kidney, bladder cancer
Skin pigmentation
Lung cancer

Don’t smoke!
Source: UNESCO

Cyanide in cigarettes
Source: UNESCO

Cyanide
Carbon and nitrogen compound
Hydrogen cyanide
Potassium cyanide
Mining/ industrial areas
Insecticides, pesticides
Fires – smoke
Cyanide fishing
Photography
Source: UNESCO

Small amount
Quick death
Source: UNESCO

Symptoms
Death
Suffocation
Choking
Rapid heart rate
Nausea
Dizziness
Weakness
Headache
Source: UNESCO

Smell something?
Aaack!

Questions?

Key Sources
A Brief History of Poisoning
http://www.bbc.co.uk/dna/h2g2/A4350755
Arsenic
http://www.greenfacts.org/en/arsenic/
Classic Poisons
http://www.bbc.co.uk/dna/h2g2/A4113983
Cyanide
http://en.wikipedia.org/wiki/Cyanide
Painful Poisons by Nick Arnold (Horrible Science)

Perfect Poisons

by Funschooling on Feb 21, 2010

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Perfect Poisons — Presentation Transcript