Search results

• TLF-IDA002811

As we clear land for urban development, and for broadacre farming, we remove the spaces where bees nest and find their food. With no food, and nowhere to produce their young, native bee populations are under threat of local extinction. In this activity, we will look at providing nesting spaces for native bees which mimic ...

• TLF-IDA002820

Weeds compete with native plants in our natural environments, and can dominate both natural ecosystems and areas of agricultural production. This competition limits biodiversity, as well as the economic potential for farmers. This activity will look closely at three different weed forms and children will learn about their ...

• TLF-IDM020384

This is a collection of articles about climate science. It includes articles about modelling, explanations about heat trends, predictions about sea level rise, and why the science about climate change is clear. The articles are written in plain language and are authored by experts from universities in Australia and around ...

• TLF-IDM021143

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

• TLF-IDM017746

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

• TLF-IDM019861

Journey through geological time and discover changes on Earth from the Hadean time, more than 4.5 billion years ago, through to today. Find out about plate tectonics, continental movement, atmospheric conditions, life on Earth, extinction events, fossil sites and much more. Contains many features which include allowing ...

• TLF-IDM025282

This virtual excursion offers twelve video lessons that form a sample investigation of pest species invading Australian riparian zones. Filmed on Bundjalung Country, the excursion traverses mid north coast NSW Upper Clarence River Catchment, connecting each video to companion classroom and field learning tasks. The invasive, ...

• TLF-IDM018781

Have you ever eaten hot chilli and wondered why your mouth feels like it's on fire? Watch this clip to find out all about the science of chillies, including what makes them hot, why they are hot and why they cause so much pain when we eat them.

• TLF-IDM020038

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

• TLF-IDM020679

Have you heard of greenhouse gases? What do you think they are? (The word 'greenhouse' is a big clue!) The delicate balance of greenhouse gases has been affected by the addition of an unprecedented amount of carbon dioxide (CO2) to our atmosphere in the last 150 years. Watch this video to find out how CO2 is being added ...