All Compounds and mixtures articles – Page 3

Resource
Chemical misconceptions II: Definitions in chemistry

This exercise gives students an opportunity to discuss and give a critique of a selection of definitions (from various sources) of the most basic chemical terms
Resource
Chemical misconceptions II: Mass and dissolving

This exercise is primarily aimed at the 11–14 age range, to discover more about dissolving solids in liquids.
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Chemical misconceptions I: Chemical axioms

Explore the key ideas into how learners respond to the fundamental principles used in chemistry.
Experiment
Experiments with particles

Explore physical states, and how material interact with three practicals. Students use common classroom items to explore, and then note their findings. Includes kit list and safety instructions.
Resource
White powder mix-up at the factory

Learners create their own chemical investigative company, and solve the mystery of the white powder mix-up. Includes kit list, and safety instructions.
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Water for survival | 11-16 years

Practical problem-solving investigation including filtration, distillation and temperature. Includes kit list and safety instructions.
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Secret in the sachet

What’s the secret inside the cut flower sachet? Find out with this class session. Includes kit list and safety instructions.
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Separating sand, sawdust and salt

Sand, sawdust and salt will mix in interesting ways, and learners will need to use all their chemical knowledge to separate them, ready for Mrs Johal’s next class. Includes kit list and safety instructions.
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Solutions and mixtures: kitchen science podcasts

Introduce your students to solutions, mixtures and separation techniques with this short podcast.
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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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Salt: primary science podcasts

Join Kareena and her superhero friend K-mistry for this short podcast introducing children to dissolving.
Resource
Solids, liquids and gases: That’s Chemistry!

In association with ABPI

The ‘solids, liquids and gases’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn about solids, liquids and gases, and understand that some materials change state when they are heated or cooled.
Resource
Separating mixtures: That’s Chemistry!

In association with ABPI

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.
Resource
Mixing and dissolving materials: That’s Chemistry!

In association with ABPI

The ‘mixing and dissolving materials’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn that mixtures are made up of more than one substance and that some mixtures can be separated.
Resource
Irreversible changes: That’s Chemistry!

In association with ABPI

The ‘irreversible changes- chemical reactions’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn how non-reversible changes result in the formation of new materials.
Resource
Heating and cooling materials: That’s Chemistry!

In association with ABPI

The ‘heating and cooling materials’ chapter from That’s Chemistry! This chapter looks at key ideas and activities that can be used to help students learn how the properties of some materials change when they are heated, and that some of these changes are irreversible.
Resource
Cracking Chemistry!

Work your way through these fun chemistry practicals developed by National Science & Engineering Week.
Experiment
Separating sand and salt by filtering and evaporation

In association with Nuffield Foundation

Try this class experiment to practise manipulating mixtures of soluble and insoluble materials by separating sand and salt. Includes kit list and safety instructions.
Resource
Chemistry in your cupboard: Calgon

In association with Reckitt Benckiser

Link the post-16 topics of group 2 elements, acids and bases and polymerisation to the topic of hardness of water.