All Separation articles – Page 2
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Experiment
The effect of temperature on solubility
Hot or cold, which water is better for soluble substances? Explore your finding from this practical into the effect of temperature on solubility. Includes kit list and safety instructions.
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Experiment
Extracting limonene from oranges
Limonene is found in oranges, and now your classroom. Create a distillation apparatus and support students to make their own plant oils. Includes kit list and safety instructions.
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Separating mixtures | Primary science video demonstrations
Fun demonstrations of different mixtures, including racing liquids and rainbow colours.
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Liquids | Primary science video demonstrations
Demonstrate the properties of liquids to primary learners, including: suspended ice, heavy sugar and the particle disco.
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Experiment
Extracting iron from breakfast cereal
Try this class practical or demonstration to extract food-grade iron from breakfast cereals using neodymium magnets. Includes kit list and safety instructions.
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Experiment
Chromatography: how black is a black pen?
Black never goes out of style, and with this experiment learners can explore what colours go into making black in with this chromatography practical
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White powder mix-up at the factory
In Search of Solutions: As chemical engineers, you are contracted to determine how to identify several different white powders… Linking to topics on chemical reactions and physical/chemical changes.
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Water for survival | 11-16 years
Practical problem-solving investigation including filtration, distillation and temperature. Learners purify water from a muddy pond to survive.
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Separating sand, sawdust and salt
In Search of Solutions: sand, sawdust and salt, all mixed up, can your students recover them? Linking to topics on dissolving, evaporating, filtration and density.
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Desert survival | 9-14 years
Challenge students to extract drinking water from damp sand, a real desert survival scenario! Linking to topics on evaporation and condensation.
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Colourful food: kitchen science podcasts
Introduce your students to colours in food with this short podcast.
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Mixing and changing: primary science podcasts
Introduce your students to mixing and separating mixtures, and investigating reversible and irreversible changes with this short podcast.
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Separating mixtures: That’s Chemistry!
The ‘separating mixtures’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn how sieving can separate particles of different sizes and other methods used for separating mixtures.
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Experiment
Crime scene chromatography
Using three different black pens, learners can put their scientific curiosity to use and explore chromatography
