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This practical procedure offers an entry-level activity comparing the number of stomata found on the upper and lower surfaces of leaves of Tradescantia zebrina.
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This short leaflet describes the rational behind, and how to make use of, the apparatus list spread sheet E266.
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This method compares the density of stomata of mesophytes (most land plants) to xerophytes (adapted to dry conditions) through making leaf impressions.
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This edition includes a note on the death of the first CLEAPSS director, and other notes on the final CLEAPSS CD, eating and drinking in the laboratory, the dangers of Chinese lanterns, automatic auto..
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Describes in detail the routine tests of radioactive sources and the equipment needed to carry them out. Includes equipment, available to schools, but which is unsuitable for such tests.
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Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete..
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This guide gives general advice to technicians/ teachers about the time needed for preparing and carrying out common microbiology tasks.
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Essential health and safety advice for practical work using mains, low voltage (ac and dc), and static electricity.
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This guide relates to circuit work carried out by students and teachers constructing electrical circuits that involve accessible uninsulated conductors and connectors
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Many chemistry courses include the study of the properties of basic and acidic gases. These simple practical procedures allow for the production and testing of ammonia and chlorine.
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