The bitter-sweet taste of toxic substances
Activities
Environment Australia
Environmental protection in Australia: managing chemical risk – provides material on which to base discussions about risk assessment and management of chemicals.
Biotechnology Online (Biotechnology Australia)
Oil-eating bacteria – students test the hypothesis that the oil-digesting abilities of soil bacteria vary according to amount of oil found in the natural environment.
Access Excellence (USA)
Subsurface contamination of groundwater
(Translation: 'Superfund site' means contaminated site.)
Newton's Apple (USA)
Science NetLinks (American Association for the Advancement of Science)
Toxicology and living systems – investigates in an introductory way how toxic chemicals affect biological systems.
Finding the toxic dose – students expose Brassica rapa seeds to a range of concentrations of a toxicant.
Toxicology and human health – examines the clinical effects of environmental toxicants on living organisms by collecting and analysing scientific data and identifying ways of detection and diagnosis.
New York Times Learning Network (USA)
Isn't it ionic? – students find out more about the health hazards of organic solvents.
Page updated February 2007.