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reSolve: Authentic Problems: Bottle Flipping

This sequence of four lessons explores fractions and statistical reasoning through conducting a series of fair tests to answer the question 'What fraction of a bottle needs to be filled with water to be the best for bottle flipping?'. The lessons focus on building understanding of fractions and collecting, organising and ...

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reSolve: What a Load of Rubbish

In this series of three lessons, students conduct an audit of the rubbish they find in their playground. They use a range of categories to sort, display and interpret the data and make simple inferences. They then reclassify the rubbish collected as to whether it can be recycled, composted or if it needs to go into the ...

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An olden day toilet

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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Elliot and the Surfing Scientist: Red cabbage pH experiment

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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ABC National TV Service: Opening night, 1956

Can you imagine life before television? How different would it have been? This clip is taken from the opening moments of the first ABC television broadcast in 1956. As you watch it, see how the presenter describes the event and try to imagine the impact such first broadcasts would have had on Australians more than half ...

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For the Juniors: How do you know when rain is coming?

How can you tell when rain is on the way? Some animals seem to know when wet weather is coming. This clip explains some different ways that people can tell it's going to rain.

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For the Juniors: How does rice get to the supermarket?

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

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Belief: Mormons in contemporary Australia

Have you ever had somebody knock at your door, wanting to share their faith? If so, you may have been visited by a member of the Church of Jesus Christ of Latter-day Saints. Members of this religion believe that it is important to spread their message, and do so by door-knocking around the world, including in Australia. ...

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For the Juniors: Where does rain come from?

Rain comes from clouds but do you know how rain gets into clouds? This clip shows how clouds are formed (made). You will see how important the Sun is in making it rain.

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Belief: Christians in contemporary Australia

What is the most popular religion in Australia? If you said 'Christianity', you would be right. In the 2011 Census, more than 60 per cent of respondents indicated that they belonged to the Christian faith. In recent years, there has been a surge of interest in Christianity among Australia's youth. By focusing on a Christian ...

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For the Juniors: Milk from the dairy to the shop

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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Four Corners: Women 'rattle the chains' in public bars

Imagine a time in the not too distant past when Australian women were not allowed to drink in public bars. Such gender discrimination was still enforced by law in Queensland in the 1960s. This clip from 1965 reports on an incident in which Merle Thornton and Rosalie Bogner defied the law by chaining themselves to a public ...

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What is a meat safe?

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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Tough zirconium - but what's its secret side?

The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.

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For good measure

If you had to measure the rain level for the whole globe, how would you go about it so you could have as accurate a reading as possible? Rain gauges are great for measuring rain in small areas, but why might they not be as good for measuring large areas? Watch this video to see how the Global Precipitation Measurement (GPM) ...

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BTN: Nuclear tests at Maralinga

Can you imagine nuclear bombs being exploded in Australia, over your home? Between 1953 and 1963, the Australian Government led by Robert Menzies allowed Britain to test nuclear bombs in the open air at sites in Australia. These sites included Maralinga in South Australia. It was the land of the Maralinga Tjarutja people ...

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Experimentals: Do different things fall faster?

Want to find out what happens when you drop a watermelon and an apple from the top of a building? In this clip, Bernie Hobbs and Ruben Meerman, investigate whether the mass of an object influences how fast it falls. Bernie and Ruben ride the 'Giant Drop' at Dreamworld, drop a watermelon and apple from an eighth floor balcony, ...

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Elliot and the Surfing Scientist: Friction between paper experiment

Are you strong enough to pull two sheets of paper apart? What about two books with the pages intertwined? Watch this experiment performed by Ruben Meerman, the Surfing Scientist, and find out how he tests the presence of friction between pieces of paper.

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In the past: Christmas in the city

Take a look at a crowded city street during the Christmas season more than 50 years ago. Discover what Christmas shopping was like when your grandparents were not much older than you are today. This silent black-and-white clip was filmed in Sydney in 1961.

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Pet Superstars: The beagle: A nose that always knows

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.