Search results

• TLF-IDM015755

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

• TLF-IDM024955

This unit of work consists of two parts, supported by lesson plans, slides and handouts and teachers guides. The first part examines the food system as a complex network that is deeply connected to health, society, and the environment. The second part explores key milestones in the history of agriculture, with a focus on ...

• TLF-IDM019599

This is a short clip in which a winemaker describes his job and industry including some of his daily tasks, the location of the winery in south-east Queensland’s Granite Belt Region, and the role of that winemaking plays in the agrifoods industry. The winemaker, Peter, works at the Queensland College of Wine Tourism and ...

• 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-IDM017102

This is a website about the environmental and animal welfare issues related to the consumption of meat. It contains sections on the amount of meat we eat; the environmental impacts of consuming meat; cattle, chicken, egg-laying-hen and pig-farming factories; and what can be done to improve the current state of the meat ...

• TLF-IDM021647

This short video, narrated by ‘Sam the Lamb’ and a group of young wool enthusiasts, explores the properties of one of nature’s most versatile fibres. Viewers will discover how wool can stretch and return to its natural shape when worn; why wool is safe to wear around campfires and in the sun, and how wool can manages moisture ...

• TLF-IDM019121

What makes tall buildings strong and stable? View this clip to find out how a tall building made from concrete is made even stronger. Look at a model of the building to see how it will look when it's built. See if you can pick up some design tips to help you build your own tall structure!

• TLF-IDM020671

Evan, a mechanical mentor for FIRST Robotic Competition's 3132 'Thunder Down Under', outlines the processes involved in designing, building and testing a robot in six weeks. What influences the team in their design and building processes? Can you think of anything else that might influence the design and build of the robot ...

• TLF-IDM021302

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy. This TedEd animation (4:58 ...

• TLF-IDM020570

How many different paper plane designs are there? Lots! Watch as Dylan Parker, paper plane expert, demonstrates some of his favourites. Notice the way the different shapes and features of the planes cause them to move through the air in different ways. Which one do you like the most? Why not have a go at making something similar?