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• TLF-IDA003996

This activity introduces weathering and erosion by investigating why river pebbles are often rounded. The download includes background information for teachers and an activity sheet for students. The activity demonstrates the process of erosion using sugar cubes. Students are asked to predict what might happen (a hypothesis) ...

• TLF-IDA003970

This video introduces the National Earthquake Alerts Centre. The video explains that earthquakes are detected by a network of seismometers; each station sends seismic information for analysis and checking by seismologists on duty. The video describes the types of wave forms in earthquakes and the sequence of events in ...

• TLF-IDA003994

This activity explains commonly used magnitude scales, provides background information on earthquake intensity and includes an extension task to map the impact of an earthquake. The worksheet activity can be adapted for student needs.

• TLF-IDA003995

This activity introduces lava viscosity and influence on volcanic cone shape. The download includes background information for teachers and an activity sheet for students. The activity involves making lava slime and racing this down a slope. Participants are asked to predict how lava viscosity might influence volcanic shape ...

• TLF-IDA004004

This activity builds understanding of sonar technique and applications through processing and plotting data to discover a seafloor feature and by bouncing balls on different surfaces and analysing rebound, relating this to ground hardness then extend understanding to 'backscatter' in bathymetry surveys. It is suitable for ...

• TLF-IDA002846

We all have the power to help keep our coastlines, rivers, lakes, swamps, creeks, floodplains, billabongs and estuaries clean by diverting rubbish from our waterways. This can be done with regular clean-ups, picking up litter when you see it, and changing our behaviour such as limiting our use of single-use plastic. This ...

• TLF-IDA002836

Water is an important resource, and is required by all living species to survive. Water is also important for many industries and businesses. This activity investigates the different land uses over time across your local catchment. OUTCOMES are for children to: understand the natural and urban water cycle; learn about the ...

• TLF-IDA002817

This learning activity is the first part of a sequence of 5 individual learning activities focused on creating a wildlife habitat. The order of these learning activities are: research, vision, design, planting and monitoring and care. The OUTCOMES are for children to: undertake research to determine what their local ecosystems ...

• TLF-IDM020685

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

• TLF-IDM025065

Demand for certain kinds of food changes with time as people's tastes change. Avocados were not always popular, but in recent years their popularity has increased so much that supply cannot keep up with demand. Learn how stem cell scientists at the University of Queensland are leading the way in research that could cut ...