Search results

• TLF-IDM021343

Wing loading is a measurement that relates the mass of an aircraft or bird to the total wing area. This resource provides an interactive for students to compare flight capabilities of planes with birds, matching those that are the most similar.

• TLF-IDM018361

Artificial lighting methods have changed with the invention of new lighting technologies designed to be more energy efficient and to reduce the use of resources. Since electricity has been used as an energy source, incandescent and fluorescent globes and, more recently, light emitting diodes (LEDs) have been used in our ...

• TLF-IDM017317

It is often hard for a developing country to grow enough food to feed its population. In this clip you'll see the challenges encountered by the growing nation of Timor-Leste (East Timor). Listen to an AusAID organiser and the East Timorese president describe the importance of food, and the heartbreak of a hungry nation.

• TLF-IDM019128

You may have heard about the cannabis plant and its use as the drug marijuana. But did you know it has two main varieties, one of them commonly called hemp? See how hemp differs from its 'cousin'. Find out more about the characteristics of hemp that make it a 'green' crop with plenty of potential.

• TLF-IDM020826

This is a video [6:05 min] about the production of ethanol from sorghum at the Dalby Bio-Refinery in Queensland. The video describes and illustrates the stages in the production process including milling the sorghum into ‘flour’; mixing the flour with water to hydrolyse the starch; adding enzymes to liquefy the starch (the ...

• TLF-IDM021408

In this practical activity, students design and build a balloon-powered car and race it to better understand the ideas related to rocket propulsion. The resource includes a step-by-step teacher guide and student worksheets.

• TLF-IDM017103

This is a website about the key issues related to global food insecurity. It contains sections on the scarcity of primary resources; land degradation; land scarcity; waste; climate change; consequences of inaction; and proposed solutions. Photographs, statistics, graphs, maps and figures support the information. This resource ...

• TLF-IDM017159

This is a video of a TED (Technology, Entertainment, Design) talk by Professor Marla Spivak about the dramatic decline in the number of bees. The 16-minute video begins with a discussion of why humans should care about bees, including their critical importance for the world's food supply. Professor Spivak explains that ...

• TLF-IDM020831

This is a teacher resource containing a sequence of inquiry relating to egg production systems used by egg farmers in Australia. It contains material to assist planning, implementing and assessing a research task about the egg production systems and the management techniques used to produce eggs, the claims associated with ...

• TLF-IDM015261

This is a digital resource provided by the Australian Bureau of Statistics, which can be used to investigate data relating to the economy, population and people, industry, and environment and energy of selected regions in Australia. The resource contains maps and enables a region to be searched based on a range of geographical ...