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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.

Collection

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 ...

Audio

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 ...

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 ...

Interactive resource

Chemical reactions: combustion

Investigate chemical reactions at a molecular level. Break apart molecules of oxygen and another substance 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 of each substance ...

Interactive resource

Chemical reactions: non-combustion

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 sulfur reacts with hydrogen to produce hydrogen sulfide. Work out the number of molecules of each substance needed to balance ...

Interactive resource

Chemical reactions: balancing equations

Investigate chemical reactions at a molecular level. Balance chemical equations. For example, explore how nitrogen combines with hydrogen to produce ammonia. Work out the number of molecules of each substance needed to balance the chemical equation. This learning object is one in a series of six objects. The series is also ...

Interactive resource

Chemical reactions: energy

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 nitric oxide combines with oxygen to produce nitrogen dioxide. Work out the number of molecules of each substance needed ...

Interactive resource

Chemical reactions: energy released by fuel

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

Interactive resource

Chemical reactions: reaction reshuffles

Investigate chemical reactions at a molecular level. Examine collisions between molecules of two reactants. Adjust the ratios of the reactants and compare the outcomes. Identify the number of molecules involved in a balanced reaction. For example, two A molecules combine with a B2 molecule to form a molecule of A2B2. This ...

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 ...