All Resource articles – Page 50

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Choosing a research topic

2015-09-22T13:41:01Z In association with Nobel Prize Inspiration Initiative

Nobel Laureates give their perspectives on how to choose a good research topic, and scientific problem, to work on.Video:A good research question should open doors - Bruce BeutlerVideo:What makes a good research question? - Michael BrownVideo:Advice for scientists deciding what to work on from Michael BrownVideo:What makes a good research ...
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How to deal with failure

In association with Nobel Prize Inspiration Initiative

Nobel Laureates offer their advice on how to get through setbacks and difficult times, based on their experiences throughout their scientific careers. Video: How should you deal with failure martin chalfie Video: If you fail, is it really a failure? – Elizabeth Blackburn ...
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Should we worry about phthalates?

2015-09-18T11:31:00Z

This is an informative article about phthalates, which are chemicals that are used in PVC plastic. PVC plastic is widely used in everyday items. There has been concern about some phthalates and their possible impact on human health. Some phthalates are suspected endocrine disruptors, which means that it may be ...
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Should we worry about parabens?

2015-09-18T11:30:46Z

This is an article about parabens, a group of chemicals used in cosmetics as preservatives. Parabens have been in the news, as they have been linked to breast cancer. This article aims to provide a balanced view of the debate and the evidence.
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Chemhistory: cocaine

Professor Alan Dronsfield, chair of the Royal Society of Chemistry’s Historical Group, looks at the significance of cocaine in an historical context.
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Bubble volcanoes

In this experiment, students describe what is observed when ethanoic acid and sodium hydrogen carbonate are mixed, using key terms such as reaction, fizzing or effervesce and gas.
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Making concrete

In this experiment, students determine how different sized materials with binder increase the stability and strength of mortar and concrete. Also, students can test how altering the proportions of cement, water and different aggregates affects concrete’s properties.
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Plaster of Paris

In this experiment, students produce Plaster of Paris, which they then use to produce a cast, in order to identify the items that have left an impression in an apple.
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Roman art - wall painting techniques

Pompeii and Herculaneum have been described as towns frozen in time. Houses and villas with their furniture, food, people, jewellery and pets have been preserved. One thing that strikes all visitors to Pompeii and Herculaneum is the amount of colour on the walls of the buildings. It is perhaps the most obvious feature of Roman art.
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Roman commerce in pigments

Did the Romans use the same materials as the Greeks in their painting? And where did the pigments come from?
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Ancient Roman art: an imitation of Greek art?

A traditionally accepted view of ancient Roman art is they borrowed from, and copied, Greek precedents. The picture, however, is more complex and recent archaeological research indicates Roman art is highly creative.
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Verdigris copper

In this experiment, students deliberately corrode copper, to produce a pigment called verdigris. Students can then explain their observations using their knowledge of redox reactions.
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How to make a lake pigment paint

Use this experiment to show your learners how to make and analyse the properties of a lake pigment paint
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Herschel infrared experiment

In this experiment, students measure the temperature thermometers reach as they are placed throughout (and beyond) the spectrum of visible light.
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Magic writing with sodium nitrate solution

In this experiment, students write a hidden message using invisible ink and watch what happens when a glowing splint touches their message.
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Invisible inks

In this experiment, students test a variety of substances to see if they can be used as an invisible ink.
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Spinning colour top

In this experiment, students observe, describe and explain what happens when a multicoloured disc spins at a high speed.
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Making a rainbow

In this experiment, students observe what happens to white light as it passes through water droplets.
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Were Ancient Greek statues white or coloured?

Renaissance artists studied the sculptures and monuments of Greece and Rome and emulated them in their own work, ie they imitated the art. This perspective of art has echoed down the centuries to influence the appearance of Western art and architecture today.
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The Titan project

This problem-based case study concerns the location of a titanium dioxide plant and evaluation of analytical methods. Students are asked to act as the management team at the plant and produce a five-year plan for the site.