All Compounds and mixtures articles
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NewsThe exceptional alloy that’s resisting corrosion
Could stainless magnesium replace aluminium in cars and aeroplanes? This calcium–magnesium alloy has implications for carbon emissions
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Feature
The science of melting chocolate
Use this infographic with your 11–14 students to develop their knowledge of changes of state and their graphing skills
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Resource
Conservation of mass | practical videos | 14–16 years
Video and supporting resources for two practical experiments exploring conservation of mass.
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Resource
Chalky spinach
Use this video and experiment in your classroom or set as an activity for students to try out at home to explore why eating raw spinach leaves makes your mouth feel chalky.
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Resource
Lithium: separation, mining and battery power | 11–14 years
Test your 11–14 students’ knowledge of separation techniques; elements, mixtures and compounds; periodic table trends
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How to purify water
A video aimed at learners, kit list, instruction, and explanation about how to get clean water from contaminated water using the stages of the water cycle.
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Resource
Runaway reactions
Ask your 16–18 students to take a closer look at ammonium nitrate and enthalpy
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Feature
Lending a hand with sanitiser
When one of the key weapons in the fight against Covid-19 was in short supply, some unlikely manufacturers stepped in
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Resource
Hand sanitiser in demand – reading comprehension
Discuss the real life application of mixtures and formulations with your 11–14 students with this reading comprehension exercise
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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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Resource
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 reaction between zinc and sulfur can be used to demonstrate that chemical changes are often accompanied by a large change in energy.
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Primary science demonstrations: separating mixtures
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 ...
