Science / Year 7 / Science Inquiry Skills / Evaluating

• TLF-IDM016060

This resource is a web page providing information about an experiment on the growth rate of different chicken breeds carried out by students at James Ruse Agricultural High School in NSW, which shows the influence of selective breeding on chicken weight. It includes a side-by-side column graph comparing the weight of egg ...

• TLF-IDM015429

<span style="color: rgb(51, 51, 51);">Discover how space exploration has developed over the years. Find out about different space missions and experiments, and a range of spacecraft from the early probes to more complex shuttles. Where do you think space exploration might take us in the future?</span>

• TLF-IDM016023

Do you know what is threatening the survival of the world's largest land carnivore? Watch this clip of a polar bear as it moves across the Arctic ice, and find out about what is happening in its icy world. The World Wildlife Fund's Margaret Williams explains the feeding habits and adaptations of the polar bear, and identifies ...

• TLF-IDM017940

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

• TLF-IDM015379

Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

• TLF-IDM019168

The human immune system's role is to deal with the threat of infection. However, sometimes the immune system fails to stop an infection that can lead to disease. Vaccines are used to prevent some diseases. Discover how a vaccine helps the immune system respond to the threat of infection. Find out why vaccination is a controversial ...

• TLF-IDM017811

Can Matt Dombrovski encourage you to be a donor or a volunteer? Test his powers of persuasion in this Heywire audio story, and hear about his own experience of donating something. Could you write or record a similar story about yourself and/or your community? The ABC's Heywire competition calls for stories from 16-22 year ...

• TLF-IDM020990

A database tracking the last 60 or so years of heatwaves shows that they are getting longer, more frequent and more intense in Australia. In this clip, climate scientist Dr Sarah Perkins-Kirkpatrick explains how and why. Overall, she describes that the biggest increase has been in the frequency of heatwaves in Australia, ...

• TLF-IDM017850

Discover an empire so wealthy that its rulers could construct magnificent palaces with ceilings of silver and jewels set in their walls. In this half-hour video made in 1977, writer and presenter Keith Adam will guide you through the rich history of the last great empire in India before it lost territory to its Hindu neighbours ...

• TLF-IDM017495

What are the consequences of human rights abuses in a time of war? In March 2003, the USA led a coalition of nations in a military campaign in Iraq. One of the main justifications for the war was the reported existence of weapons of mass destruction (WMDs) but as the war progressed and no WMDs were found, suspicion about ...