All Compounds and mixtures articles – Page 2
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Kitchen roll chromatography
Have a go at paper chromatography at home or in the classroom with items from a kitchen. Includes video aimed at learners, instructions, and explanation.
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Exhibition chemistry
When life gives you lemons (or oranges)
Teach your students about volatile organic compounds with these juicy demonstrations
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CPD
How to teach conservation of mass
Help students navigate the law of conservation of mass on dissolving and heating
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Conservation of mass on dissolving and heating
Help students understand how mass is conserved when a substance is dissolved or heated
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Finding out how much salt there is in seawater
Use the microscale titration apparatus to titrate silver nitrate solution against sea water
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The reaction between zinc powder and sulfur
A spectacular practical demonstration to show the differences between elements, mixtures and compounds
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Separating mixtures | Primary science video demonstrations
Fun demonstrations of different mixtures, including racing liquids and rainbow colours.
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Olympic composites (primary level)
Find out what composites are made up of and why they are so important sporting equipment for the Olympics.
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Water sports and solutions
Life is in aqueous solution - and so is much of sport. Find out why the properties of water are vital to the sports men and women who compete in, on, and around water.
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Elements, compounds and mixtures
Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...
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Precipitation
Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...
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Definitions in chemistry
Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...
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Mass and dissolving
Chemistry is a conceptual subject and, in order to explain many of these concepts, teachers use models to describe and explain the microscopic world and relate it to the macroscopic properties of matter. This resource is designed to provide strategies for dealing with some of the misconceptions that students have ...
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Chemical axioms
This resource includes information about some key misconceptions that have been uncovered by research and ideas about a variety of teaching approaches that may help avoid students acquiring some common misconceptions.
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Experiments with particles
Predict what will happen to the volume of materials when they are added together… then observe
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White powder mix-up at the factory
In Search of Solutions: As chemical engineers, you are contracted to determine how to identify several different white powders… Linking to topics on chemical reactions and physical/chemical changes.
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Water for survival | 11-16 years
Practical problem-solving investigation including filtration, distillation and temperature. Learners purify water from a muddy pond to survive.
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Secret in the sachet
In Search of Solutions: can you test the performance of a home-made flower preservative against the commercial alternative? Linking to topics on chemical preservatives.
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Separating sand, sawdust and salt
In Search of Solutions: sand, sawdust and salt, all mixed up, can your students recover them? Linking to topics on dissolving, evaporating, filtration and density.