Science / Year 10 / Science Understanding / Chemical sciences

• TLF-IDM008851

Find out about the technologies that can reduce our greenhouse-gas emissions. This resource consists of an animated video accompanied by an interactive landscape activity. The video focuses on technologies that can reduce carbon-dioxide emissions from the burning of fossil fuels, as well as renewable energy and improved ...

• TLF-IDM021116

Good question! Find out whether this is possible by watching as biologist at MIT, Dr Sera Thornton explains. What is a genome? And why do genomes need to be decoded? If the rhino genome was successfully decoded and the part that described the rhino horn was isolated, what would the process be for creating a unicorn?

• TLF-IDM016120

This 12 minute video segment from Catalyst outlines the fascinating and unique features of the giant cuttlefish and its mass breeding at Point Lowly. Then it explains how scientists have determined the vulnerability of this species- the fact that the eggs are sensitive to high levels of salinity and the fact that they die ...

• TLF-IDM016706

This 6 minute video segment from Catalyst is an excellent introduction to the science behind photovoltaics. A useful comparison of the efficiency of energy conversion. Discussion of other issues considered in producing devices to use renewable energy to make electricity.

• TLF-IDM016345

This five and a half minute video segment from Catalyst discusses the potential to manage controlled burning in Arnhem that reduces frequency of wildfires to provide other benefits. The potential to turn this into economic benefits from carbon trading is explored and the science investigations that will first be essential.

• TLF-IDM016539

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.

• TLF-IDM016574

This simulation allows students to change the temperature and observe the changes at macro and micro level to water. It reinforces the Particle Theory.

• TLF-IDM016789

This 8 minute video segment from Catalyst explains how genetically modified bananas could be the answer to malnutrition in developing countries. Botanists in Queensland are developing genetically modified bananas that can boost vitamin and mineral content and create disease resistant varieties. Issues of lack of genetic ...

• TLF-IDM017557

Can you imagine someone who lived over 2400 years ago saying that all matter is made up of atoms? Democritus, an ancient Greek, did. Explore the history of this scientific idea with chemist Amanda Tilbury. Hear how Swedish scientist Jöns Berzelius postulated much later that only living tissue could make an organic compound ...

• TLF-IDM019385

This is a video about the operation of a Southdown sheep stud and olive plantation at Gum Park farm in South Australia. Introduced by farmer Dee Nolan, it shows the sheep in the olive groves, the lambing paddocks and birthing shed as she describes the farm's certified organic approach that starts from the soil up and uses ...