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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: cells, Guard
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
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Members only resource
Handbook - Section 9 - General Equipment (A-L)
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Guidance on general laboratory equipment including balances, barometers, calorimeters, cells and batteries, centrifuges, spirit burners and other heating equipment, steam engines, gas cylinders and ge.. more
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Members only resource
PP035 - Sound and its effects: Understanding the effect of NIHL
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This practical procedure includes 4 activities to help students recognise and understand the problem of noise induced hearing loss (NIHL). It also includes a number of industrial examples which powerf.. more
words matched: cells, Guard
Members only resource
GL206 - Fermenters and fermentation
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Updated from section 14 of the CLEAPSS handbook, this gives considerable detail on how to set up and manage fermentations in school science. It includes sections of safety, suitable organisms, and on .. more
words matched: cells, Guard
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: cells, Guard
Members only resource
GL209 - Hygiene when teaching science
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Updated from section 14 of the CLEAPSS handbook, this offers a simple, brief guide to maintaining good hygiene in school science laboratories.
words matched: cells, Guard
Members only resource
Handbook - Section 17 - Fieldwork
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Gives guidance on general fieldwork including specific measurements and techniques. Detailed guidance is included on measuring substances in the soil, water and air, and electronic measurements such a.. more
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Members only resource
Handbook - Section 10 - General Equipment (L-Z)
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Guidance on general laboratory equipment including low voltage supplies, magnifiers, meters, micrometer screw gauges, microscopes, pumps, thermometers, timers, tubing and volume measurement.
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Members only resource
Bulletin 099 - Summer 1997
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This edition includes notes on the introduction of Student Safety Sheets, a new standard for eye protection, a brief comparison between ducted and recirculatory fume cupboards, problems with (so-calle.. more
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Showing results 1 to 10 of 199
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