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CLEAPSS Latest Practical Procedures
The latest practical procedures for physics, chemistry and biology.

This page contains both new and updated resources begining with the most recently uploaded. Hover over each information icon (help icon) for further details.

Latest Practical Procedures

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Showing results 1 to 10 of 181
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Members only resource
PP140 - Gram staining  (10 Apr 2024)
An updated method of staining gram-positive and gram-negative bacteria using basic equipment. 
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Members only resource
PP086 - Making soap the microscale way  (13 Mar 2024)
Soap making is an ancient process, going back at least 4000 years. It is an example of saponification of an ester group, which is sometimes included in GCSE, A-level and BTEC courses. The conventional.. more
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Members only resource
PP139 - The preparation of hydrated zinc sulfate crystals  (12 Feb 2024)
Preparing salts is a common activity at GCSE level, bringing together many useful skills. Making copper sulfate crystals (PP027), which involves making copper(II) sulfate from copper(II) oxide, is the.. more
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Members only resource
PP138 - Investigating the effect of ultraviolet (UV) light on UV-sensitive yeast  (11 Jan 2024)
A straightforward method investigating the effect of UV exposure on the growth of UV-sensitive yeast.
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Members only resource
PP008 – Preparing and Firing Microscale Hydrogen Oxygen Rockets  (22 Dec 2023)
The reaction between hydrogen and oxygen produces lots of energy, and is over in less than a 0.01 s. It can be used to fire rockets. In this activity, students can make gas mixtures and fire rockets. .. more
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Members only resource
PP007 – The electrolysis of water using the CLEAPSS (small) Hofmann voltameter  (22 Dec 2023)
The electrolysis of water is becoming increasing more relevant as a means of providing hydrogen, which may be used as a fossil fuel supplement or replacement. The expensive, traditional apparatus, the.. more
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Members only resource
PP135 - Staining and observing Mucor hiemalis  (13 Nov 2023)
This guide looks at how to extract, stain, and observe the fungal hyphae of Mucor hiemalis.  This method uses lactophenol blue to stain the fungal samples.
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Members only resource
PP071-Investigating the effect of temperature on amylase  (3 Nov 2023)
A straightforward and commonly-used practical activity
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Members only resource
PP048 The effect of pH on amylase digestion  (3 Nov 2023)
Offers a straightforward method for investigating the effect of pH on an enzyme.
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Members only resource
PP136 - Investigating the effects of antimicrobials on Mucor hiemalis  (3 Nov 2023)
A straight forward method investigating how  antimicrobial chemicals affect the growth of Mucor hiemalis on Malt Extract Agar plates
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Showing results 1 to 10 of 181
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