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PP088 - Testing leaves for starch
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A simple protocol used to show that leaves have been photosynthesising by testing for starch.
words matched: Leaves
Members only resource
PP161 - Comparing the distribution of stomata on the surface of leaves
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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.
words matched: Leaves
Members only resource
PP162 – Comparing the density of stomata in common plants and those adapted to dry conditions
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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.
words matched: Leaves
Members only resource
PP146 - The photoelectric effect
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A procedure to demonstrate the photoelectric effect using either a commercial or homemade gold leaf electroscope.
words matched: Leaves
Members only resource
GL442 - Make it guide: A simple electroscope
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Contains instructions on how to make a simple DIY electroscope
words matched: Leaves
Members only resource
GL508 – Observing stomata
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This guide outlines both how to observe stomata using three different methods including direct viewing, epidermal peel, and making a leaf impression. The second half the guide demonstrates how to open.. more
words matched: Leaves
Members only resource
PP056 - Thin layer chromatography of plant pigments
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Thin layer chromatography is a quick and effective method of separating pigments within leaves. The pigments run clearly on the chromatogram with little outward spread, allowing Rf values to be calcul.. more
words matched: Leaves
Members only resource
GL399 - Potometers
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This guide demonstrates how to set up both a bubble and mass potometer.
words matched: Leaves
Members only resource
GL302 - Electronic meters
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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.. more
words matched: Leaves
Members only resource
PP049 - Paper chromatography; the separation of pH indicators
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It is becoming increasingly difficult to determine the composition of food dyes in an unknown mixture, because formulations have been altered over time, and, as a consequence, the results never match .. more
words matched: Leaves
Showing results 1 to 10 of 459
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