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Listed under:  Science  >  Forces and energy  >  Energy conversion
Collection

Energy - senior years

This collection of 16 digital curriculum resources is organised into three categories - forms of energy; energy conversions; and energy management. Learning objects enable students to build energy-efficient cars; consider environmental and economic implications of a range of energy sources including solar and wind; operate ...

Interactive resource

How does the number of batteries affect the strength of an electromagnet?

Find out how the strength of an electromagnet depends on the number of batteries connected to it. Choose a particular number of batteries and then test the strength of the electromagnet by inserting it into a container of paper clips. Observe the number of paper clips the electromagnet collects and record this in the data ...

Interactive resource

Galvanic cells: cell design

Set up and observe the spontaneous redox reaction that occurs between copper metal and silver nitrate solution when they are in direct contact. Then find out how this reaction can be used to generate an electric current. Set up the galvanic cell that utilises this reaction and observe what happens at the anode and the cathode. ...

Interactive resource

Galvanic cells: cell reactions

Set up different galvanic cells as specified in given conventional cell notations. Find out the type of reaction that can be used in a galvanic cell, the energy change that occurs and how to interpret conventional cell notation. For each cell, observe the reactions at the anode and cathode at both the physical level and ...

Interactive resource

Electrolytic cells: molten salts

Investigate the electrolysis of three molten salts in electrolytic cells where there is only one oxidant and one reductant present. Find out the type of reaction that can be driven by supplying electrical energy, and the reasons behind the cell design. Observe the melting of the electrolyte prior to turning on the power. ...

Collection

Energy and forces - early years

This collection of 20 interactive learning objects introduces students to the concepts of forces and energy. It is organised into four categories - energy conversions; forms of energy; energy management; and forces. The learning objects enable students to build energy and food chains, design energy-efficient houses, and ...

Collection

Energy - middle years

This collection of 23 digital curriculum resources is organised into three categories - energy conversions; forms of energy; and energy management. It includes learning objects enabling students to build energy-efficient houses and cars, construct energy chains, harness solar energy for heating, operate nuclear reactors, ...

Teacher resource

Energy resources: batteries part 1: the power delivered by a battery - practical activity

In this practical activity, students measure the power delivered by a battery to a globe. They may also measure and compare the power drawn from the battery by different devices, such as an LED. This experiment is the first of four experiments on energy resources; in the second, students measure and compare the power delivered ...

Teacher resource

Energy resources: What power can you get from a solar panel? - practical activity

In this practical activity, students measure and compare the power delivered by model solar cells connected in series and in parallel. It is the fourth of four experiments on energy resources; in the first, students measure the electrical power delivered by a battery, in the second, students measure and compare the power ...

Teacher resource

Energy resources: batteries part 2: connecting batteries in series and in parallel - practical activity

In this practical activity, students measure and compare the voltage, current and power delivered by batteries connected in series and in parallel. This experiment is the second of four experiments on energy resources; in the first, students measure the electrical power delivered by a single battery, in the third they measure ...

StillImage

Freeplay wind-up radio, 2001

This is a 'Freeplay S360 Self Powered' wind-up AM/FM radio, with instruction booklet and packaging, manufactured from plastic and metal by Freeplay Energy Group of South Africa in 2001. The unit is encased in clear plastic with black buttons. Ports for power supply and a keyhole for winding can be seen.

Moving Image

Supercapacitors: new battery technology

Discover how nanotechnology is contributing to the creation of new, improved batteries that may soon be used in all our mobile phones and portable music devices - even in cars and trams. Catalyst's Tanya Ha looks at how traditional batteries produce electricity and how their efficiency may be increased by tiny devices known ...

Moving Image

Energy and the solar challenge

The way we live depends on energy but we can't see or touch it. Discover how early scientists unravelled the mystery of energy that allows us to harness its power to improve our lives. Track the development of energy converters from massive steam-driven engines through to the high technology of solar energy used in the ...

Collection

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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Steam or just a load of hot air?

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

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Eyeballing colours

Fiery red, cool blue and sunny yellow are phrases used to describe feelings associated with colours. But what actually is colour? Why is it there and what helps us to see it? Follow Chloe Sheridan as she unravels the complexity of seeing colour by delving into its physics and biology. She entered this video in the 2013 ...

Moving Image

Seashell's secret to bending light

Nature's mother-of-pearl seashell is helping Australian scientists unlock the secrets of bending light. Discover how, and hear about some practical applications of bending light. Find out why the US Air Force is excited about this new discovery from nature. What might it mean for the future of combat?

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Donuts and exercise

Peter Rowsthorn visits Dr Deborah Kerr at the WA Institute of Sport to answer the question 'How long does it take to walk off a donut?' Join Pete as he walks, jogs, rows and swims to burn off the energy from a single iced donut. As Dr Kerr takes Pete through his paces, learn how metabolic rate and muscle mass affect weight gain.

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Solar power

Have you ever imagined how much energy the Sun outputs every day? Listen as Dr Charles Lineweaver, from the Planetary Science Institute at ANU, describes why a solar farm based in space can capture and use more of the Sun's enormous energy potential.

Moving Image

Advances in nuclear power technology

Imagine our world if nuclear power generation could be made safer. Discover how Chinese scientists have developed a new nuclear reactor that reduces the chances of the reactor overheating to the point of meltdown. To do this the pebble bed reactor uses advances in technology to replace the traditional water-cooled system. ...