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Listed under:  Science  >  Forces and energy  >  Fundamental forces  >  Electromagnetism  >  Electricity
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Activity: from audit to solution

This is a web resource about implementing an energy reduction plan in a school or business that includes a teacher guide and student worksheet. It describes a student activity involving carrying out an energy audit in discussion with school or business leadership. The activity requires students to produce a report with ...

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Activity: make an energy saving book

This is a web resource about conserving energy that provides a student activity accompanied by a teacher guide. The activity requires students to each design a one-page document exploring an idea for saving energy, and then to combine their documents to create a class energy saving booklet. A student worksheet provides ...

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Activity: homework task - energy then and now

This is a web resource about changes in energy use over time that provides a student homework activity and a detailed teacher guide including questions for student discussion. The resource requires students to compare the electrical appliances currently used in their home with those used in the past. The activity encourages ...

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Activity: don't waste energy poster

This is a web resource about conserving energy that provides a student activity accompanied by a teacher guide. The activity requires students to create a poster based on an energy saving tip. A student worksheet provides activity instructions, including a list of energy saving tips. The teacher guide suggests the posters ...

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Activity: coal-fired class debate

This is a web resource about reducing reliance on coal-fired power that provides a student activity accompanied by a teacher guide. It describes a class activity in which students debate the best way to reduce reliance on coal as a source of electricity. The activity requires students to research supporting evidence based ...

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Activity: evaluating energy saving technology

This is a web resource that provides a student activity involving evaluating technologies that can reduce the use of non-renewable energy resources, accompanied by a teacher guide. The activity requires students to research and evaluate a particular technology such as solar panels or wind turbines and produce a diagram ...

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Climate change – creating critical thinkers … not sceptics!

Climate change was once just part of the science domain, but today it is a political juggernaut! This unit explores the science of climate change as a scientific concept and a political issue. The unit includes PDF resources and video quiz challenges for teachers and student and the library section provides extra resources ...

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Activity: energy then and now

This is a web resource about changes in energy use over time that provides a student activity and a detailed teacher guide. The activity requires the student to record the types and numbers of electrical appliances used at home, interview an older person about appliances they used when growing up and any alternatives used, ...

Online

Activity: design a school energy saving plan

This is a web resource providing guidelines for designing an energy reduction plan for a school. It describes a student activity that involves collecting and reviewing data, identifying energy reduction solutions and sorting these into categories, describing the role of students, teachers and other staff in reducing energy ...

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The physics of invisibility cloaks

Could an invisibility cloak actually work? Prashanth and Maria from MIT explore this idea and demonstrate the cool ways that light bounces, bends and mixes. How do the wings of the Morpho Butterfly give clues about how an invisibility cloak could work? How would light need to be channelled in order for something to seem invisible?

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Sciencey: Five things you should know about renewable energy

Check out how we make electricity, the different renewable energy sources we have developed and how batteries work. Then, find out about hydro-electricity and why Australia could one day be the world’s biggest exporter of renewable energy. Lastly, discover virtual power plants. Why is it important to focus on renewable ...

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Light takes time to travel through space

Light travels in waves and carries information as it moves from one object to another. In this clip, people are used to represent the Sun, planets and light rays in order to show that light takes time to travel through space bringing information from those objects to us on Earth. Discover that by the time we receive this ...

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Can photons and atoms generate laser?

Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.

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Quantum: Tidal power

Journey to Bathurst Island where strong tidal currents can be found in the Apsley Strait. Observe how the Nguiu community is investigating the use of tidal power to provide their electricity needs instead of using non-renewable and expensive fossil fuels.

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BTN: The biggest radio telescope in the world

In the past, astronomers explored the universe with their eyes and optical telescopes, but what they could see was limited. Find out how radio telescopes have revolutionised the way astronomers 'see' the universe, allowing us to explore deeper into space than ever before.Watch this clip to learn about Australia's contribution ...

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Can We Help?: 3D is back!

Andrew Woods from Curtin University answers the question 'How are 3D movies made?' Discover how how 3D glasses work. You might be surprised to find out how long ago people started making 3D movies.

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Catalyst: Coal seam gas production

The latest coal rush is sweeping across Queensland, but this time without having to dig the coal up. Animations show the processes used to extract coal seam gas (CSG) out of the ground, which can then fuel gas turbines in power stations. Discover how CSG avoids some of the environmental effects of traditional coal mining, ...

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Catalyst: Underground coal gasification

How are scientists using technology to get energy out of coal without having to dig it up? Find out how underground coal gasification (UCG) burns and converts the coal to gas underground. Visit UCG trial sites in Queensland and hear how UCG avoids some of the environmental effects of traditional coal mining, but may have ...

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ABC News: Sound waves measure ocean temperatures

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.

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How does the retina work?

When electrons in your retina absorb photons of light they don't emit light, they cause a molecule to change shape - and that lets you see colour!