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Guidance on how to prepare various plant growth solutions including: Sach's culture solution, Sach's culture solution with mineral deficiencies, Knop's culture solution, indoleacetic acid (IAA) soluti.. more
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Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school. 
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Describes a range of common carnivorous plants and how to successfully grow and keep them.
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All-in-one pdf file of the CLP Recipe Sheets published (or updated) up to, and including, 15th November 2024.Since 16th November 2024, up to and including 23rd January 2025 a new Recipe RB119 was adde.. more
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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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Risk assessment information for silicon and silicon(IV) oxide (silica). Also includes information on mineral wools and silica gels (self-indicating and non-indicating).
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This guide looks at how to carry out soil tests. It includes collecting the soil, investigating the physical properties of soil and testing for different chemicals present. 
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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r.. more
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Advice on purchasing and storing concentrated nitric acid (65-70%). Similar bottles & caps are suitable for other concentrated mineral acids.
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Silicon(IV) chloride, also known as silicon tetrachloride, is supplied in bottles where, over time, the top becomes dangerously stuck. This guide describes how to safely prepare the chemical in situ, .. more
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