All Properties of matter articles – Page 12
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OpinionThe education of Harry Kroto
Kristy Turner reflects on Sir Harry Kroto's relationship with education
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Magnificent moleculesZirconium tungstate
Neil Withers investigates a compound with some unusual and unexpected behaviour
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NewsBoron nitride composites stronger than their carbon cousins
Binding strengths of polymer–boron nitride nanotubes are higher than those reported for carbon nanotubes
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NewsPolymer takes the heat out of batteries
Polymer electrode coating may help prevent lithium battery fires
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ExperimentThe density of ice
Demonstrate to students what happens as ice cubes floating on oil start to melt and the density of the water changes. Includes kit list and safety instructions.
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ExperimentMelting and freezing stearic acid
In this class practical students take the temperature of stearic acid at regular intervals as they heat and cool it. Includes kit list and safety instructions.
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ExperimentThe sublimation of air freshener | 11–14 years
Use this experiment to demonstrate sublimation, showing how solid air freshener changes directly from a solid to a gas. Includes kit list and safety instructions.
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ExperimentRate of evaporation
Use this class practical to measure and compare the rate of evaporation of propanone under different conditions. Includes kit list and safety instructions.
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ResourceConducting polymers and shape memory polymers │16–18 years
Worksheets on conducting polymers and shape changing polymers
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FeatureIs relativity creating cracks in the periodic table?
Mike Follows shows how relativity has affected gold and mercury, and asks if it will affect elements yet to be discovered
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ResourceWhich Compound? Which Route?
This exercise leads students through the decision-making process when choosing which new drug substance to make and the best synthetic route.
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ResourceChemistry Vignettes: Chemistry of the Elements
A series of short screencasts to introduce the chemistry of selected elements.
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ExperimentSolubility trends of metal halides
Investigate patterns in the solubility of halides of silver and some Group 1 and 2 metals in this microscale practical. Includes kit list and safety instructions.
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ExperimentSolubility patterns of halogen anions
Try this microscale practical to identify and explain patterns in the solubility of fluoride, chloride, bromide and iodide anions. Includes kit list and safety instructions.
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NewsTrapped nanoparticles for 'wet' computing
Information stored and retrieved in colloidal particles
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ResourceGraphene: future applications
Watch a video explaining the types of carbon, making graphite, the properties and uses of graphite
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ExperimentDissolved substances in tap water and seawater
Compare the solids and gases dissolved in tap water and seawater in this class practical and demonstration. Includes kit list and safety instructions.
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ExperimentIndicators and dry ice demonstration
Create bubbles, ‘fog’ and a colour change adding dry ice to alkaline ammonia or sodium hydroxide solution in this demonstration. Includes kit list and safety instructions.