All Properties of matter articles – Page 14
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Experiment
Reactions of chlorine, bromine and iodine with aluminium
Try this demonstration to produce some spectacular exothermic redox reactions by reacting aluminium with halogens. Includes kit list and safety instructions.
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Experiment
Identifying polymers by density
Investigate and identify a variety of polymers used in everyday materials by testing their density in this practical. Includes kit list and safety instructions.
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Experiment
Which substances conduct electricity?
In this class practical, students test the conductivity of covalent and ionic substances in solid and molten states. Includes kit list and safety instructions.
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Experiment
Water expands when it freezes
Use this demonstration to show that water expands when it freezes, showing students how it can break a bottle. Includes kit list and safety instructions.
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Resource
Modern applications
Inspirational chemistry book chapter ‘Modern applications’. This chapter suggests games, activities, practicals and demonstrations for teaching various topics, such as observing reactions, making new medicines and composite materials.
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The Mole
Chemistry is like... a concert
Tom Husband ponders the similarities between the sugar molecules in his cup of tea and organising a concert
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Experiment
Emulsifiers in the kitchen
Test a range of common ingredients to see which ones stabilise an oil and water emulsion in this class practical. Includes kit list and safety instructions.
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Experiment
The formation of a sol
Convert a rusty-brown precipitate of iron(III) hydroxide into a cherry-red iron(III) oxide sol in this demonstration. Includes kit list and safety instructions.
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Experiment
Reactions of chlorine with water or halide ions
Generate chlorine gas on a microscale and investigate its reactions with water or halide ions in this class practical. Includes kit list and safety instructions.
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Experiment
Dyeing three colours from the same dye bath
Show how dyeing involves chemical interactions between dyes and the molecular nature of different fibres in this demonstration. Includes kit list and safety instructions.
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Experiment
PVA polymer slime
In this fun class experiment student will make slime by adding borax solution to PVA. Includes kit list and safety instructions.
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Resource
Large molecules
The Inspirational chemistry chapter ‘Large molecules’. This chapter suggests games, activities, practicals and demonstrations for teaching various topics, such as polmers, emulsifiers and textile conservation.
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Resource
Nanotechnology
The Inspirational chemistry chapter ‘Nanotechnology’. This chapter suggests games, activities, practicals and demonstrations for teaching various topics, including ways that nanotechnology can improve our everyday lives.
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Experiment
What causes iron to rust?
Use this class experiment to help students investigate what conditions are needed for iron to rust. Includes kit list and safety instructions.
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Experiment
The density of carbon dioxide
Illustrate the higher density of carbon dioxide relative to air by pouring it over a lighted candle in this demonstration. Includes kit list and safety instructions.
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Experiment
Liquefying chlorine gas
Use this demonstration to produce liquid chlorine and compare it with bromine and iodine in their condensed state. Includes kit list and safety instructions.
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Resource
Trends in reactivity in the periodic table
This could be used to follow up some work on the periodic table where the trends in reactivity in groups 1 and 7 have been identified. It can be used as a differentiated activity for the more able students within a group.
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Resource
Noble gases
The activity sets some critical thinking and pattern spotting tasks in the context of the noble gases. This can be used to develop skills in determining mathematical relationships between variables from graphs.
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Resource
Carbon - the element with several identities
The student worksheet includes information about Sir Harry Kroto, one of the team who discovered the third allotrope of carbon, buckminsterfullerene.