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• TLF-IDM020920

Have you heard of the Southern Cross? It's a constellation (a grouping of stars) that can be found in the southern hemisphere. What does it look like? See if you can follow the tips from this video and find it in the sky at night!

• TLF-IDM015413

Imagine an asteroid, half the size of a football field, hurtling towards Earth at a speed of 28,000 kilometres per hour! Watch this clip to find out about Asteroid 2012 DA14 and whether it poses any threat to Earth. You will also discover why mining prospectors are keen to capture asteroids such as this one. Could the next ...

• TLF-IDM020918

Can you name the different phases of the moon? Watch this video and learn about the phases, how long a full lunar cycle is and why the moon looks larger at times.

• TLF-IDM018843

Do you know how glowsticks work? Watch this clip and discover the chemical reaction that takes place when you snap a glowstick and release the reactants. Find out about chemiluminescence in nature, when scientists first created glowing sticks and the chemical equation that describes the reaction. Can you guess which glowstick ...

• TLF-IDM016049

Imagine eating oranges straight from a tree in your school orchard. Watch this clip to see how the Swan Valley Anglican Community School began creating their own orchard complete with fruit-bearing orange trees. Josh Byrne explains how to position an orchard, prepare the soil and select suitable plants.

• TLF-IDM015385

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

• TLF-IDM025105

What do you know of the Great Australian Bight? Learn about some of the unique wildlife that lives here. What makes it such a good habitat for these marine animals? What are some potential threats facing this pristine environment?

• TLF-IDM015381

Discover a white world in which glaciers are racing toward the sea at seven times their normal speed. This is what is happening in Antarctica now and the consequences will eventually be felt at your nearest beach. Travel with scientist Dr Paul Williams to see some stunning images of what is occurring around the fringes ...

• TLF-IDM015412

To answer the question 'Are glass eyes really made of glass?' Peter Rowsthorn visits an ocularist who makes artificial eyes. Join him as he investigates how these eyes are made. Witness the skill of an ocularist, Jenny Geelen, as she creates an artificial eye to match Pete's existing eyes.

• TLF-IDM015395

Imagine how much your life would change if your water supply ran out. Yet, when it rains, so much water is lost as it runs into stormwater drains. Watch as scientists talk about re-directing stormwater to recharge a groundwater aquifer. Listen as they describe how they can use a natural system to remove contaminants from ...