Search results

• TLF-IDM016174

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

• TLF-IDM016198

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

• TLF-IDM016221

This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.

• TLF-IDM016590

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

• TLF-IDM016294

This resource contains a materials and instruction list and brief explanation for students about the process of making a straw that can produce vibrations when blown through.

• TLF-IDM016305

Ask and expert' ABC article exemplifies some creative approaches of scientists to the significant problem of predicting earthquakes. The science behind the various methods is outlined, their successes and failures and problems for possible future developments.

• TLF-IDM016656

An interview with Adam Cawley, a chemist and scientist from the Royal Australian Chemical Institute, who is an expert in drug testing in sport. Adam talks to a teacher from Killara High School about working as a chemist, and the challenges in drug testing.

• TLF-IDM016707

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand that the extension on a spring is proportional to the weight stretching the spring up until the elastic limit is reached (Hooke's Law). There is a two-question quiz and a summary slide.

• TLF-IDM016726

This brief ABC News in Science article from 2009 explains that asteroids become redder the longer they stay out in the sun because of the solar wind. Scientists are using this to try to find our more about our planetary origins.

• TLF-IDM020973

This thermal comfort learning resource will guide students through an extended school based investigation. Students will develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.