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Re-light a candle by igniting the smoke with a flame
By BookStore on September 21, 20150Amaze your friends with your stunning candle act. You can light the candle without touching the wick in the...
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Extinguish a candle by removing the heat with aluminium foil
By BookStore on September 21, 2015For a candle flame to stay lit, wax has to melt continuously and travel up the wick. When the...
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Use chemical power to make a shooting volcano
By BookStore on September 21, 2015An erupting, lava-spewing volcano is one of the most magnificent sights in nature, but an active volcano can also...
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Use cobalt chloride as a humidity detector to predict the possibility of rain
By BookStore on September 21, 2015Humidity is often seen as an indication of the likelihood of rain occurring, and this is usually measured with...
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Test and compare the protein content in various everyday foods
By BookStore on September 21, 2015Meat and dairy products are foods which are rich in protein. In this science experiment, test for proteins in...
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Use red cabbage as an indicator to test if a substance is an acid or base
By BookStore on September 21, 2015Acids and bases are opposites and cancel each other out or 'neutralizes' when mixed together. 'Litmus' paper is an...
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Use chromatography to predict the ‘fall’ colour of a green leaf tree
By BookStore on September 21, 2015In a process called 'chromatography', scientists can separate the individual parts of a mixture so that each one can...
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Use iodine to test for the presence of starch in foods
By BookStore on September 21, 2015When starch is combined with hot water it breaks up into a kind of starch/sugar molecule called 'dextrin'. When...
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Study how temperature affect the stretch of an elastic band
By BookStore on September 21, 2015'Polymers' are compounds made of very long chains of molecules which often have 'plastic' or 'rubber' properties. An elastic...
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Extract the starch from raw potatoes and break it up into sugar
By BookStore on September 21, 2015When starch is combined with hot water, it breaks up into a kind of sugar molecule called 'dextrin'. ...