All Resource articles – Page 65

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Number of reactions

Explore the chemistry of copper, and weak bases, in this explorative experiment in the reactions of copper(II) sulfate. Includes kit list and safety instructions.
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Making ice | In Search of More Solutions | 11–14 years

Explore the properties of water and ice in this planning activity
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Move an oxo cube at great speed

Make a reaction that creates CO₂, and watch as it propels a stock cube faster than any Oxo has travelled before. Includes kit list and safety instructions.
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Liquid and solid water; the growth of ice crystals

On a cold clear night, the Earth loses heat by radiation. How does a natural pond form ice through the night? Includes kit list and safety instructions.
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Lifting an egg by a thread

Create a strong cellulose thread and lift and egg. Includes kit list and safety instructions.
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The Flatlandian periodic table

Explore a new perspective on chemistry with Flatlandian principals, to create Flatlandia’s periodic table.
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The candle in the bell jar

How does oxygen, in a sealed container, react when exposed to fire? Find out with this experiment. Includes kit list and safety instructions.
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Gas volume

Calculate the gas volume created through the reaction of metals with acids. Includes kit list and safety instructions.
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From milk to curds and whey - which enzyme?

An experiment, and extension, into enzymes and how they work in dairy products. Includes kit list and safety instructions.
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Franklin’s teaspoon of oil

Interpret a historical experiment based on a full and interesting account of Franklin’s contribution to surface chemistry, includes kit list and safety instructions.
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Fizzy drinks’ froth

Explore hypothesis testing in this experiment using fizzy drinks. Includes kit list and safety instructions
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Finding the ‘rate expression’ for the reaction between iodine and tin

Explore rate reaction between two substances, and design an experiment to measure it. Includes kit list and safety instructions.
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Design a pocket handwarmer

Create your own rechargeable exothermic reaction, and keep your fingers toasty with this hand warmer experiment. Includes kit list and safety instructions.
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Cool it | In search of more solutions | 14–16 years

Devise a method of reducing the temperature of water to 6.5°C using citric acid and bicarbonate of soda.
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Blanching - what is the most effective method?

Explore enzymes and catalysts in this experiment into fresh food preservation. Includes kit list and safety instructions.
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As sweet as? Detecting aspartame in a table-top sweetener

Use hydrolysis and chromatography to find aspartame in your table-top sweetener. Includes kit list and safety instructions.
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An elementary problem

Pick the correct chemical process, for the correct day, and figure out when your chemical companies deliver.
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After meal puzzle

Use ingenuity and science to solve the riddle of lifting ice with string. Includes kit list and safety instructions.
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A transient red colour: the aqueous chemistry between iron (III) ions and sulfur oxoanions

An exploration into bonding in sulphur oxoanions, and redox reactions. Contains kit list and safety instructions.
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A hot dinner from a can

Thermochemistry and enthalpy are the topics on the menu for this class experiment. Includes kit list and safety instructions.