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Listed under:  Science  >  Forces and energy  >  Energy conversion
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Energy efficiency in industry

Find out how industries can reduce their carbon footprints. This is an information sheet describing practices that can be used by industry to make energy use more efficient and thus reduce power bills as well as lowering greenhouse-gas emissions. A number of examples from the mining industry, such as the redesign of dragline ...

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Energy

In this unit of work, students develop their skills in working scientifically and their understanding of sound energy and energy transformations.

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Convection Currents

This activity invites students to explore convection currents in water. Warmer water rising through cooler water bends light, allowing students to project its motion onto a screen and observe the flow. The activity includes a list of tools and materials required, what to do and notice, an explanation for the underlying ...

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Bottle Racer

This activity invites students to engineer a bottle racer: a plastic water bottle propelled by energy stored in a wound-up rubber band. The activity includes a list of tools and materials required, assembly instructions, what to do and notice, an explanation for the underlying science of what students observe and suggestions ...

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Physical world – design and production investigation

This investigative task focuses on energy transformations between kinetic (movement), electric and light energies. Students design, test and evaluate a system that uses energy transformations to meet an identified need. They work in pairs to design and construct a wind turbine tower that demonstrates how different types ...

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About hydroelectricity

This resource is a web page contains information about generating electricity using the energy of flowing water. It gives a brief description, with an annotated diagram, of the way in which the potential energy of water in a dam can be used to drive a turbine to generate electricity. It also provides information about hydroelectric ...

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About wind energy

This resource is a web page containing information about using wind energy to generate electricity. It gives a brief description, with an annotated diagram, of how a wind turbine is used to generate electricity, and provides information about wind energy production and use in Australia. There is a link to a printable PDF ...

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About geothermal energy

This resource is a web page that includes information about generating electricity using the heat from beneath the Earth's surface. It gives a brief description, with an annotated diagram, of pumping water deep underground to extract heat from hot fractured rocks, and using the steam generated to drive a turbine. It also ...

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About bioenergy

This resource is a web page that includes information on clean energy sources including generating electricity using waste organic matter (biomass). Using sugar-cane offcuts as an example, the resource gives a brief description of one way in which organic waste can be used to generate electricity. It defines the terms bioenergy, ...

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About solar thermal energy

This resource is a web page containing information about using the Sun's heat to generate electricity. It gives a brief description, with an annotated diagram, of focusing the Sun's rays with mirrors to heat a liquid to create steam, which can be used to drive a turbine to generate electricity. It also provides information ...

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About marine energy

This resource is a web page containing information about using the ocean's currents, tides or waves to generate electricity. It gives a brief description, with annotated diagrams, of one system that uses the movement of water to push hydraulic pistons which drive turbines. It also provides information about the potential ...

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Caring for our carbon

Carbon is all around us and available to us in many different forms – as an atmospheric gas, as an energy source, and as a food source. This unit investigates the science of carbon and the issue of climate change as both a scientific concept and a political issue, and, through discussion and debate, support students' to ...

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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 ...