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Listed under:  Science  >  Matter  >  Mixtures
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Industrial design challenge – separating materials lesson

is lesson provides a great introduction to the idea of separating mixtures and enables students to consider separation as a process that operates on macroscopic levels. Students also learn about waste management and recycling processes in Australia. The lesson provides students with an opportunity to engage in hands-on ...

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Dyeing with red cabbage!

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...

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Magic tricks revealed using chemistry

Some magic tricks, such as disappearing ink or candles that won't blow out, can be explained by chemistry. In this clip, three classroom chemistry experiments demonstrate that some familiar magic tricks rely on acid-base chemical reactions, and the properties and behaviour of gases. Watch closely if you've ever wanted to ...

Interactive

Let the Poo Thru - iTunes app

Choose what goes into the toilet and stop the objects that cause problems for waste treatment plants from getting through. Find out what effect things like apples and bleach have on treatment systems and discover a little about Australia's toilet habits along the way. Score points and challenge your friends as you let the ...

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Experimentals: Name these mystery objects

Compete in a game show against characters Einstein and Pythagoras to identify three different mystery objects. Each of the objects is the end product of a science demonstration. Compare your ideas and predictions with the host Bernie Hobbs's identification of the objects and her explanation of the science behind them.

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Graphene: The new wonder material

Graphene is perhaps the most significant new material produced in recent years. It has many potential applications in electrical devices, biomedical technology and solar energy. Graphene is a form (allotrope) of carbon with some special chemical and physical properties. Watch this clip to explore the molecular structure, ...

Online

Vitamania: vitamin profiles

Most people know that vitamins are an essential daily requirement for a healthy life, but few people really know how or why. Vitamins need to be examined individually to understand and appreciate their differences and specific importance to our bodily functions. This lesson plan with supporting video clips, introduces students ...

Online

School of rocks: teacher resource

In this structured inquiry unit of work students explore the formation of rocks and minerals. They investigate how the properties of rocks and minerals are related to their use, and how these naturally occurring materials provide valuable resources for human activity. Students also investigate the effects of volcanic activity, ...

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Mixing Lemonade

This resource is a web page containing an interactive task to explore ratios and proportions. Compare different mixtures of lemonade and develop a strategy for deciding which is stronger each time. The task requires students to apply their understanding of ratio and proportions. A 'Getting started' page, 'Solution' and ...

Interactive

Let's make slime!

This resource explains how to make slime using cornflour to produce something called a non-Newtonian fluid. A non-Newtonian fluid is a substance which has properties of a liquid and a solid. This means it can flow like a liquid, but also can have a set shape. It all depends on the amount of force you apply to it. In this ...

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Chemistry-inspired food tricks

Bananas too green, coffee too bitter, cookies too hard! Watch this clip to find out about the chemistry behind some clever food-preparation tricks that will solve these food crises. Discover the chemical elements, compounds and properties involved in getting some of our favourite foods to taste just right.

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Elliot and the Surfing Scientist: From chocolate buttons to magic patterns

Want to do a simple science experiment that works just like a magic trick? Watch the Surfing Scientist to find out how. He creates a pattern made up of regular shapes by dissolving coated chocolate buttons.

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Oresome world

This interactive resource takes students on a journey of discovery in the energy and mining world. Oresome world contains five games or modules: Coal, Energy, Gas, Low emissions and Mining, and within each of these there are several facilities to explore, such as the Underground mining site, Hydroelectric power station, ...

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Chemistry of rotten eggs, and more

Want to know if an egg is rotten, why onions bring on tears and what makes green vegetables turn brown after cooking? Watch this clip to discover the chemistry behind these and other everyday problems. Find out about the chemical reactions, compounds and elements involved, and learn some simple chemistry-inspired solutions.

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Elliot and the Surfing Scientist: Getting iron out of breakfast cereal

You probably know your body needs iron and that you can get it from the foods you eat. Join the Surfing Scientist team as they attempt to extract iron from a bowl of breakfast cereal. What method do you think they will use?

Interactive

DIY Lava Lamp

This resource contains lessons plans containing instructions and teachers' notes for an activity based on a chemical reaction that occurs when a soluble aspirin tablet dissolves and the fact that oil and water do not mix are used to create a model of a lava lamp. Students have fun while they learn about density of fluids. ...

Interactive

experiMENTALS: Spooky slime

This resource contains a materials and instruction list and brief explanation for students about the process of making spooky slime with cornflour to produce a substance that is a little like a liquid and a little like a solid.

Interactive

experiMENTALS: ink chromatography

This resource contains a materials and instruction list and brief explanation for students about the process of separating ink mixtures using paper chromatography.

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Bubble mining

This 5 minute video from Catalyst describes froth flotation that has been used to separate some useful components out of mixtures in mining. Laureate Professor Graeme Jameson pioneered a way to help the mining industry extract fine particles and led to the development of the Jameson Cell. His scientific approach is now ...

Interactive

Cool colour

This is a lesson plan, complete with instructions, materials list, worksheets and photographs of the expected results from the ABC's surfing scientist. The students are encouraged to participate in a first-hand science activity using sugar and colour-coated chocolate lollies.