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Details on how to correct the three most common faults found in school microscopes - dirty optical glass, wrong position of "stop" and overtight or loose tension.
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Water on a Coin - Testing Water Tension
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A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy..
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An interesting investigation which involves using an electric lamp to heat water. By measuring the temperature rise over time, and the voltage and current input to the lamp, the overall efficiency of ..
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This edition includes notes on two accidents in D&T, preparing for an upcoming total eclipse, performing practicals such as the thermit reaction outdoors, an accident in science involving spilled..
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Gives very detailed guidance on what water purification entails, and when pure water is needed in school science. It suggests the advantages and disadvantages of the methods of purification available ..
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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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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. ..
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Describes a range of common carnivorous plants and how to successfully grow and keep them.
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Most A-Level Physics syllabi require students to sketch various
combinations of electric field patterns (e.g. a positive point charge
and negative point charge, or a positive point charge to a neg..
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