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Listed under:  Science  >  Scientific inquiry  >  Predictions (Science)
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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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For the Juniors: Why do cows make milk?

Have you ever wondered why cows make milk? In this clip you will learn the answer to this question. You will also see how cows are milked in a large dairy. Join Bill, a dairy farmer, as he tends to his herd of dairy cows.

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Four Corners: Fire management strategies

What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

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Catalyst: Do heavier things fall faster?

Will a medicine ball or a basketball hit the ground first when dropped at the same time from the same height? In this clip, Catalyst's Dr Derek Muller investigates what influences the speed at which objects fall. Derek challenges some people in a market to make a prediction and explain their thinking, before he finally ...

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Elliot and the Surfing Scientist: Salt water density experiment

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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Green packaging lesson

This lesson plan engages students in finding ways to reduce plastic waste in food packaging. Students investigate problems created by plastic waste then observe ways these issues are being addressed. They design new packaging for food items that currently produce excessive waste then test their designs objectively. The ...

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Four Corners: Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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Elliot and the Surfing Scientist: Using a lens to bend light

How can a water-filled plastic straw be used to decode a secret message? Watch as the Surfing Scientist demonstrates how lenses with a curved surface do curious things to light.

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For the Juniors: Animals that like wet weather

Imagine a place where it rains most of the time. What sort of creatures might live there? This clip shows a very wet place where the animals need lots of water to survive.

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For the Juniors: Using and storing water on a farm

Can you imagine a farm with no water? What might happen to the animals and crops? This clip explains how important a water supply is for farmers. You will see some ways that farmers store water, which is especially important when there is limited or no rain.

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Elliot and the Surfing Scientist: Temperature changes the properties of a substance

Substances that are very cold have different properties to substances that are hot. Watch as the Surfing Scientist uses hot and cold water, food colouring and a fish tank to demonstrate what happens when water at different temperatures is mixed together.

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For the Juniors: How do apiarists farm their bees?

Have you ever wondered what a bee farm looks like? This clip shows how bee farmers (apiarists) look after their bees. Watch the bee hives being opened and see the honey being collected. View the machinery used to collect and bottle the honey.

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For the Juniors: Fish from the ocean to table

Have you ever eaten fish for dinner? This clip tells the story of how fish come from the sea to your plate. See how fish are caught, bought and sold. Watch a fish being cut into fillets and find out what happens to the bits we don't eat.

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BTN: Volcanoes and people

Imagine living in the shadow of a volcano? Well, millions of people do in Naples, Italy, where a massive volcano called Vesuvius exists. This clip explores the dangers posed by volcanoes and investigates some recent and ancient eruptions. Find out some misconceptions about volcanoes and discover how science is helping prevent ...

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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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For the Juniors: Picking and processing fresh apples

Discover the story of apples, from picking and pressing to processing in a factory. Learn how juice, cider and vinegar are made from apples. See how many other things are made from apples.

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Pet Superstars: Guinea pig superstar

Meet Larissa and her guinea pig called 'Superstar'. Learn how Larissa cares for her guinea pig pets and what her dream is. Find out what makes Superstar a superstar pet.

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For the Juniors: Effects of dry weather

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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For the Juniors: Growing rice

What is your favourite way to eat rice? This clip shows how rice is planted, grown and harvested in many different countries (places in the world). View the different foods made with rice.

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Catalyst: Volcanic eruptions at Mount Ruapehu

Imagine a volcano erupting kilometres away. You are afraid, worried for the safety of yourself and others. Paul Willis presents the work of New Zealand volcanologists conducting research at Mount Ruapehu, a volcano with a history of devastating lahar (water, sediment and rocks) flows. Learn more about lahar flows and the ...