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• TLF-IDM020610

Nitrogen gas makes up 80% of the air we breathe, and if we cool the nitrogen gas down to minus 196 Celcius and squash it down we can turn it into liquid nitrogen. This liquid takes up much less space than it did as a gas. When we warm up liquid nitrogen it will turn back into a gas and take up more room, so what happens ...

• TLF-IDM015721

See creepy crawly creatures as you've never seen them before. Discover how important wild creatures are to the health of gardens. Find out how you can entice a wide variety of creatures to a garden you know well!

• TLF-IDM016048

Find out how a school uses stormwater to create a wetland habitat for native plants. Josh Byrne visits Swan Valley Anglican School to observe the growth of their vegetable garden and to help out in the creation of the wetland. Discover what plants are best for a wetland habitat and how it will increase biodiversity and ...

• TLF-IDM015708

Substances exist in different states depending on the temperature. Watch the Surfing Scientist have a popping good time as he demonstrates this phenomenon. Don't forget to block your ears!

• TLF-IDM015711

Imagine making your very own lava lamp using materials from your kitchen and bathroom. Watch the Surfing Scientist team show you how it can be done, then try and figure out why it works.

• TLF-IDM015627

Have you ever grown vegetables? In this clip you will discover many things about vegies and how they grow. Presenter Nick Hardcastle will even show you how to make a vegetable garden in a box. Find out which vegetable is actually a flower, which are the best seasons for planting and picking, and how deep to bury seeds.

• 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-IDM019636

Try some hands on investigations that relate to learning about the Sun. Follow step-by-step procedures, read through explanations to find out why things happened and also view related video clips. Free when reviewed on 12/5/2015.

• TLF-IDM020284

Ashwini Ranjithabalan from Women in Engineering and IT at the University of Technology Sydney (UTS) sees engineering as the business of solving future problems. What are some of the challenges we (and our societies) might face in the future? Get some friends together and see if you can brainstorm a list. Now choose one ...

• TLF-IDM020219

Bubble Popper is a game that combines computer gaming and sport. Listen to Chad and Joshua as they explain their aim in designing this game. What kind of equipment is needed to play it? Why might it be a good idea to make games that involve physical exertion? Use your imagination and think up your own game that combines ...