All Experiment articles – Page 2
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Experiment
Newidiadau na fyddai modd eu dadwneud a’r diffoddydd tân
Rhowch gynnig ar yr ymchwiliad hwn i ystyried beth mae deunyddiau ei angen i losgi, gyda nodiadau manwl i athrawon, sleidiau dosbarth ac arddangosiad fideo.
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Experiment
Priodweddau solidau a bwrw bisgedi
Rhowch gynnig ar yr ymchwiliad hwn i edrych ar briodweddau solidau gronynnog, gyda nodiadau manwl i athrawon, sleidiau dosbarth ac arddangosiad fideo.
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Experiment
Newidiadau ffisiog na fyddai modd eu dadwneud a bomiau bath
Rhowch gynnig ar yr ymchwiliad hwn sy’n ystyried adweithiau anghildroadwy, gyda nodiadau manwl i athrawon, sleidiau dosbarth ac arddangosiad fideo.
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Experiment
Pwysedd aer a’r botel gwrthddisgyrchiant
Rhowch gynnig ar yr ymchwiliad hwn sy’n ystyried pwysedd aer a disgyrchiant, gyda nodiadau manwl i athrawon, sleidiau dosbarth ac arddangosiad fideo.
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Experiment
Antibacterial properties of the halogens | 14–18 years
Use this practical to investigate how solutions of the halogens inhibit the growth of bacteria and which is most effective
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Experiment
Viscosity and ‘racing’ liquids
Try this investigation to get learners talking about properties of different liquids, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Dissolving, density and sugary drinks
Try this investigation to get learners exploring the mass of sugar dissolved in their favourite drinks, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Irreversible changes and the ‘fire extinguisher’
Try this investigation to explore what materials need to burn, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Irreversible changes and the ‘freaky hand’
Try this investigation to get learners thinking about when an irreversible reaction produces a gas. Includes detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Fizzy irreversible changes and bath bombs
Try this investigation to explore irreversible reactions, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Properties of solids and ‘biscuit bashing’
Try this investigation to observe the properties of granular solids, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Properties of gases, air pressure and ‘sticky’ cups
Try this investigation to explore the effect of heat on gases, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Air pressure, gases and the leaky bottle
Try this simple investigation to explore the effects of air pressure, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Air pressure and the antigravity bottle
Try this investigation exploring air pressure and gravity, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Liquids, gases and the ‘lava lamp’
Investigate liquids and gases, plus practise taking accurate measurements, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Freezing and the ‘intriguing ice’ experiment
Try this investigation to explore how materials change when they freeze, with detailed teacher notes, classroom slides and a video demonstration.
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Experiment
Equilibrium and Le Chatelier’s principle
Investigate the effects of concentration, pressure and temperature on equilibrium and explore Le Chatelier’s principle in this series of demonstrations.
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Experiment
Electrolysis of brine
Use this colourful practical to introduce students to the electrolysis of brine, or sodium chloride solution. Includes kit list and safety instructions.
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Experiment
The equilibrium between two coloured cobalt species
In this demonstration the equilibrium between two different coloured cobalt species is disturbed. Le Chatelier’s principle is used to predict a colour change.
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Experiment
Precipitation reactions of lead nitrate
Compare the colours of various lead compounds to identify which would be good pigments in this microscale practical. Includes kit list and safety instructions.