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Listed under:  Science  >  Matter  >  Chemical reactions  >  Redox reactions
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A smoking, exploding thermal reaction

Want to see rust ignite and turn into molten iron? Put on your safety goggles and join Rubin Meerman as he observes Associate Professor Adam Bridgeman's demonstration of a combustion reaction.


VisChem topic 13: redox reactions

This web page contains a video, animations and a student worksheet investigating the redox reaction between copper metal and silver ions. The animations show important molecular-level segments from the video.

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How our bodies burn food for energy

We burn food for energy in our bodies. Chemically it's the same as burning fuel for energy in cars and rockets. Listen to Bernie Hobbs explain more about combustion reactions. Discover why we don't burst into flames when we burn food in our cells.

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Hydrogen-diesel engine

How might we reduce damaging emissions from diesel engines and increase their fuel efficiency at the same time? Watch as Dr Vishi Karri from the University of Tasmania describes the development of a new type of engine: the hybrid hydrogen-diesel engine. Dr Hafez A Hafez explains how the technology can be easily adapted ...

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Dangers of wood smoke

Find out about some of the issues surrounding wood smoke and how to reduce its impact on the environment and our health. View this clip called 'Where there's fire, there's smoke', created by young reporters from Presbyterian Ladies College in Armidale, New South Wales. The clip was developed as part of the ABC Splash Live ...

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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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Food is stored energy

Elliot challenges Ruben Meerman, the Surfing Scientist, to do an experiment that involves explosions, pretty colours and lollies! Watch this clip to see what he comes up with. You might also learn something about chemical reactions and the stored energy in food.

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Towering global oil consumption

Watch as computer-generated imagery helps us imagine how much oil humans use every year.

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Greenhouse effect tips toward climate catastrophe

Follow the carbon atom, the central character in this story about oil, as it is released as carbon dioxide into the atmosphere and contributes to the greenhouse effect. See how other events like melting glaciers amplify that effect and contribute to an increasingly overheated climate. Learn about what might tip us over ...


Reducing motoring emissions

Many businesses need to transport goods or people on a daily basis. Vehicles cause pollution and too many vehicles can result in road congestion. This audio clip describes environmentally friendly modes of transport. Explore the options with Catapult reporter Dominic Jarvis, then decide which might be best for different ...

Assessment resource

Shape maker: simple shapes: assessment

Test your understanding of how the transformations of spinning and extruding can change some of the most basic 2D shapes (such as squares, triangles and circles) into various 3D shapes, such as cylinders, cones and different prisms. Visualise the effect of a particular transformation on a selected 2D shape. Predict whether ...

Assessment resource

Shape maker: complex shapes: assessment

Test your understanding of how the transformations of spinning and extruding can change some less basic 2D shapes (such as a pentagon, cross, crescent and trapezium) into specific atypical 3D shapes. Visualise the effect of a particular transformation on a selected 2D shape. Predict whether the result will match a given ...

Teacher resource

Using 'Cities taking shape' - Teacher idea

This Teacher idea includes comments following the teaching of R11361 'Cities taking shape - unit of work' to a years 4-5 class. The unit promotes students' knowledge of 2D and 3D shapes, and the relationship between them. It offers interactive and hands-on tasks to develop, consolidate and extend students' understandings ...


Flow of energy and matter in ecosystems: collection

This is a collection of 17 digital curriculum resources that support teaching and learning about the flow of energy and matter in ecosystems. The collection comprises seven teacher resources that include activities for investigating ecosystems, and ten learning strategies. The strategies include concept mapping, brainstorming, ...


Chemical reactions and organic compounds: collection

This is a collection of ten digital curriculum resources that explore the flow of energy and matter in an ecosystem. The collection comprises seven images, one video and two interactive simulations that investigate the chemical reactions of photosynthesis and respiration. Images include models of glucose, oxygen and carbon ...


Structure and function: animals and plants: collection

This is a collection of 13 digital curriculum resources that explore the flow of energy and matter in an ecosystem. The collection comprises nine images and four interactive simulations that investigate aspects of metabolism in animals and plants. Some resources investigate cell processes, such as those involved in digestion, ...


Apple and orange with rotten parts

This photograph shows a golden delicious apple and an orange. The apple has a soft, brown rotten portion. The rotting section of the orange is green with a white centre.

Teacher resource

Fuels: biofuels part 2: distilling an ethanol mixture - practical activity

In this practical activity, students perform a microscale distillation of an ethanol solution, which models the kind of process that is used to separate bioethanol from a fermentation mixture. This experiment is the second of three experiments on fuels. It follows on from, and provides support material for, the practical ...

Teacher resource

Fuels: biofuels part 3: which fuel produces the most energy? - practical activity

This practical activity is a class experiment in which different groups of students measure and compare the heat energy produced per gram when different fuels are burnt. This experiment is the third of three experiments on fuels; in the first, students produce bioethanol, and in the second, students perform a microscale ...

Interactive resource

Chemical reactions

Investigate chemical reactions at a molecular level. Break apart molecules of two substances into their component atoms and rearrange them to make molecules of new substances. For example, explore how methane burns in oxygen to produce carbon dioxide and water. Work out the number of molecules each substance needed to balance ...