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Listed under:  Science  >  Matter  >  Mixtures
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Solvent extraction of copper

Carry out an experimental investigation like those used in industrial laboratories. This is a fact sheet giving information and instructions for an experiment investigating the recovery of copper metal from ore using solvent extraction. It includes background information on the industrial process and chemistry involved, ...

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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.

Interactive resource

Making water drinkable: mixtures

Look at the differences between elements, compounds and mixtures. Notice that water is a compound that dissolves many substances. See how rainwater is treated to remove unwanted substances. Notice that purifying water involves separating mixtures. Explore how solutions form and how solubility is affected by temperature. ...

Interactive resource

Making water drinkable: water and us

Look at why water is so important to humans. Explore the water cycle. Find out how water often dissolves other compounds in nature. Notice that drinking water contains dissolved carbon dioxide and minerals. This learning object is one in a series of five objects. The series is also packaged as a combined learning object.

Interactive resource

Making water drinkable: water treatment

Explore a water treatment plant. Look at how water can be treated to remove unwanted substances. Examine processes such as filtration, evaporation, distillation and flocculation. This learning object is one in a series of five objects. The series is also packaged as a combined learning object.

Interactive resource

Making water drinkable: colloids

Look at colloids such as clay suspended in water. See how flocculation works. Notice that colloids have fine particles spread throughout a solid, liquid or gas. Explore a range of colloids such as sols, aerosols, gels, foams and emulsions. This learning object is one in a series of five objects. The series is also packaged ...

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Sunbeam Mixmaster Professional MX8800, 2003-04

This is a red-and-silver Sunbeam Mixmaster Professional MX8800 manufactured by Sunbeam Corporation, China, 2003-04. It is a fully die-cast stand mixer, and includes large and small stainless-steel mixing bowls (only one bowl is shown here). It also comes with three types of beaters (only one type is shown here).

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Man working at emulsion kettle, Kodak factory, mid-20th century

This is a black-and-white photograph of an employee working at an 'emulsion kettle' at the Kodak factory in Abbotsford, Melbourne, some time between 1930 and 1960. The man is using a wooden paddle to stir photographic emulsion in the kettle, which is silver with a copper exterior. The emulsion was used in the making of ...

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Chemical dispensing area, Kodak factory, late 1950s

This is a black-and-white photograph showing the chemical dispensing area of the Kodak factory in Abbotsford, Melbourne, in the late 1950s. It features two male employees, both wearing white coveralls and protective goggles, who appear to be handling photographic chemicals. On the right are shelves of large square bottles, ...

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VisChem topic 2: dissolution of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the dissolving of ionic solids in water. The video clip has both filmed and animated scenes that compare the dissolving of sodium chloride with melting and show how the dissolving process can be represented by chemical equations. Important ...

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VisChem topic 3: precipitation of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the precipitation of silver chloride. The video has both filmed and animated scenes showing the process at observational and molecular levels. It explains how the reaction can be represented by a chemical equation.

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VisChem topic 8: chemical properties of water and aqueous solutions

This web page contains video clips, animations and student worksheets that investigate the chemical properties of water and aqueous solutions. The major topics cover the structure and bonding of water, acids and bases, dissolving, ionic solutions, precipitation and complexation.

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VisChem topic 11: dynamic chemical equilibrium

This web page contains a video, animations and a student worksheet investigating the dynamic equilibrium associated with the iron(III) thiocyanate complex. The animations show important molecular-level segments from the video.

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VisChem topic 12: acid-base reactions

This web page contains a video, animations and a student worksheet examining the proton-transfer reactions of acids and bases. Self-ionisation of water, acidity of hydrated metal ions, proton gain by ammonia molecules and proton loss from acetic acid are depicted. The animations show important molecular-level segments from ...

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Rock, paper, scissors: student guide

This is a student guide about states of matter, the particle model and simple chemical equations. It contains information and hands-on inquiry activities, and is part of a comprehensive curriculum resource that covers Chemical sciences content descriptions in year 8 of the science curriculum. The resource uses the game ...

Interactive Resource

Rock, paper, scissors: student digital activities

This is a set of student digital activities about states of matter, the particle model and simple chemical equations. It contains a rich array of interactive activities, film clips and notebook questions to assist learning, and is part of a comprehensive curriculum resource that covers Chemical sciences content descriptions ...

Teacher resource

Rock, paper, scissors: teacher guide

This is a teacher guide about states of matter, the particle model and simple chemical equations. It provides an overview of lessons including worksheets and assessment, and is part of a comprehensive curriculum resource that covers Chemical sciences content descriptions in year 8 of the science curriculum. The resource ...

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Daily bread

Do you eat bread? How often? Discover why bread has been important for human survival for thousands of years. Find out how to find the healthiest types of bread to eat. See how you can make your own bread at home.

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Recycling whole buildings

You probably recycle bottles, cans and paper at home, but imagine recycling whole buildings that have outlived their usefulness. Explore how doing this can save a huge amount of energy, prevent unnecessary carbon dioxide emissions and address landfill issues.

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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.