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      Your search returned 71 results

      Listed under:  Science  >  Scientific inquiry  >  Observations (Data)
      Video

      Sam the Lamb: properties of wool

      • 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 ...

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      Video

      Elliot and the Surfing Scientist: Red cabbage pH experiment

      • 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 ...

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      Video

      The physics of invisibility cloaks

      • TLF-IDM021113

      Could an invisibility cloak actually work? Prashanth and Maria from MIT explore this idea and demonstrate the cool ways that light bounces, bends and mixes. How do the wings of the Morpho Butterfly give clues about how an invisibility cloak could work? How would light need to be channelled in order for something to seem invisible?

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      Video

      Why do mosquito bites itch?

      • TLF-IDM025104

      What sounds do mosquitoes makes, and can you find out why those irritating little mosquito bites itch so much? Why do we need mosquitoes? Where do they fit in an ecosystem?

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      Video

      Catalyst: How will fire change the climate?

      • 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 ...

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      Video

      Catalyst: The home of Australian science

      • TLF-IDM015837

      Australia has a long and proud history of excellence in science. How should we celebrate this? Watch this clip to find out about an Australian organisation that recognises and promotes outstanding scientific achievement. You'll also find why its Canberra headquarters is referred to as 'the flying saucer'!

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      Video

      Catalyst: Living in space

      • TLF-IDM015739

      Do you know that people have been living and working in space for more than 10 years? The International Space Station (ISS) orbits the Earth more than 300 kilometres above us. Watch this clip to discover what life is like in space and the type of research that is conducted there.

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      Video

      For the Juniors: Effects of dry weather

      • TLF-IDM019513

      What do you feel like when the weather is hot and dry? Discover what happens to the land during dry weather. Look at how the landscape changes at different times of the year.

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      Video

      An olden day toilet

      • TLF-IDM024886

      In the olden days, there were no toilets inside the house. Why do you think that was? Instead there was a "potty" for the children and a commode chair for the parents. Would you be brave enough to help empty the potty in the morning? How did people in the olden days wash their hands if there was no tap? Buckingham House ...

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      Video

      What are microbes?

      • TLF-IDM020192

      What are microbes? What are the four major groups that most microbes belong to? Listen as Dr Taghrid Istivan explains where microbes are found. What is the name of the group of microbes she describes as beneficial to our health? Can you explain what happens when people get food poisoning?

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      Video

      Elliot and the Surfing Scientist: Pepper scatter experiment

      • TLF-IDM015791

      Watch what happens in this pepper scatter experiment by Surfing Scientist, Ruben Meerman. Ruben demonstrates an important property of water, surface tension, by dipping a toothpick into water sprinkled with pepper. Find out what happens when detergent is added.

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      Video

      Different paper plane designs

      • 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?

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      Video

      What is a cumulus cloud?

      • TLF-IDM025107

      There are many different types of clouds, all with different names. Here, Brianna finds out what a cumulus cloud is. What are other types of clouds?

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      Video

      Colourful Weather, Ep 1: What shape is a rainbow?

      • TLF-IDM025129

      All you need is water, the sky and sunlight and you’ve got something that’s colourful – with a pot of gold at each end. What is it? A rainbow! Find out what happens to sunlight inside a raindrop, why rainbow colours are always in the same order and the real shape of a rainbow. Tip: it’s not an arch!

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      Video

      Understanding the causes of climate change

      • TLF-IDM020685

      Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

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      Video

      For the Juniors: Milk from the dairy to the shop

      • TLF-IDM015922

      Have you ever wondered about the steps involved in getting milk from a cow to you? This clip tells the story of milk, from the dairy farm to the supermarket. Discover where cream comes from and how milk is made safe to drink.

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      Video

      Elliot and the Surfing Scientist: Salt water density experiment

      • TLF-IDM015764

      Discover what density is and how you can test the density of liquids. You will also find out about salt water and how its density is responsible for the circulation of water around the world's oceans.

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      Video

      Pet Superstars: The beagle: A nose that always knows

      • TLF-IDM017915

      Meet Junior, a beagle who sniffs out all sorts of things, especially treats. Listen as Josie tells us about life with her pet dog. People say that beagles have the most amazing sense of smell. Does Junior? Find out.

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      Video

      Pet Superstars: Guide dog puppy in training

      • TLF-IDM017929

      Meet Ella and the puppy she is helping to train as a guide dog. Find out what it takes to teach Dusty what he needs to know for a very important job.

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      Video

      What is a meat safe?

      • TLF-IDM025011

      Before fridges were invented, people used meat safes to keep their food cool. But what is a meat safe? Watch this clip to find out! What was the meat safe made out of? How was it designed to keep bugs out? And how did the meat safe actually keep food cool? Think about the way we keep food cool today. How do the fridges ...

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