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Listed under:  Atmospheric pressure

### Damaged aircraft after Cyclone Tracy, 1974

This is a black-and-white photograph showing a damaged aircraft hanger and a wrecked twin engine aeroplane blown into the hanger door by winds from Cyclone Tracy. Debris litters the ground.

### Aerial view of Wagaman after Cyclone Tracy, 1975

This is a colour photograph showing a low aerial view of Vanderlin Drive in the Darwin suburb of Wagaman after Cyclone Tracy inflicted massive destruction.

### Darwin after Cyclone Tracy, 1975

This is a colour photograph showing a scene of devastation after Cyclone Tracy. A bright yellow car is half submerged in a swimming pool while another damaged car sits behind the pool. Trees have been stripped of their foliage and a large damaged building is prominent in the background.

### Cyclone track data of Australia - SpatialGenie map layer

This is a map showing the location and tracks of tropical cyclones across Australia between 1914 and 2006. Students use the spatial visualisation tool, SpatialGenie, to explore the map as spatial data. They can investigate this map alone or add other map layers. Students use shape tools to measure area and distance, and ...

### Examples of Bernoulli's theorem

Have you ever wondered how a yacht sails into the wind? Watch as the Experimentals team works through practical demonstrations of Bernoulli's theorem. You're in for a few surprises as you learn how gases and liquids change their behavior as they begin to flow.

### Clouds, thunderstorms and climate change

Fly into a massive thunderstorm with pilots and scientists as they study how global warming could affect storms. Learn how changes in ice clouds due to climate change could provide clues to future weather patterns. See scientists capture data on the beginning of an unusual cyclone. This excerpt is from a documentary on ...

### Cyclone Yasi

Imagine your house being battered by 285 km per hour winds! That is what happened when Cyclone Yasi, a category 5 cyclone, hit far north Queensland in 2011. Watch this clip showing Yasi unleashing its fury. Find out about how the locals prepared themselves, and what they found in the aftermath.

### Surviving the extremes

What would you do if a natural disaster was heading for you? Would you panic? Dr Jonica Newby and the Catalyst team stage two disaster scenarios and throw them at two Australian families who know only that a disaster of some kind is coming. How will they cope? And how would you?

### Super cyclones in Queensland, 2001

Far North Queensland is accustomed to tropical cyclones but what about super cyclones? Watch this clip to find out how often super cyclones occur, what kind of damage they cause and when the next one is expected. Discover how coral reveals the history of Queensland's cyclones.

### Life-threatening tropical storms

Do you know the difference between cyclones, hurricanes and typhoons? Watch this clip to find out about these violent storms, what causes them and where they occur. Discover more about some of the world's biggest storms and their impact on places like Bangladesh, the USA, and Darwin in Australia. This clip includes an animation ...

### Tully and Yasi: the sequel

When tropical cyclone Yasi hit north Queensland in 2011, the small town of Tully suffered severe damage and the region's banana and sugar cane crops were devastated. Discover how this crop damage impacted farmers, the local community and people throughout Australia. Find out how the town has since recovered.

### Devastation by cyclone

Cyclone Namu caused widespread devastation when it struck Solomon Islands in 1986. View this 1986 news report to witness the cyclone's impact on life, crops and housing, particularly on Guadalcanal, the largest island in Solomon Islands. See the challenges confronting the relief teams.

### Impacts of a cyclone: days or decades?

Cyclone Namu struck the nation of Solomon Islands in 1986. In this news report from the scene, see the immediate devastation it caused and hear about the then expected long-term impacts on the already troubled Solomons economy. As you watch, you might wonder how much has changed since then. Are Solomon Islanders just as ...

### Taking elite training to new heights

What is altitude training and does it really benefit elite athletes? This clip explains how the body responds to changes in oxygen availability at high altitude, and how athletes use this knowledge to adapt their training. Find out about a study to determine the best altitude-training program and the impact of winter sports ...

Test your understanding of coloured light including the effects of shining a beam of light through a prism, of mixing light and of shining different coloured light on objects. Answer multiple-choice questions and give your reasoning for your answers. Use animations of adding different coloured light from torches to predict ...

### Subtractive colour: assessment

Test your understanding of the effect of filters on white light. Select a filter, or combination of filters to produce a particular lighting effect. Answer multiple-choice questions and give your reasoning for your answers. Predict the effect of adding different coloured filters to white light. Then use animations to help ...

### Optics and images: plane mirrors

Position an object and a flat mirror to reflect light rays and produce images. Predict the size and position of the reflection produced. This learning object is the first in a series of three objects that progressively increase in difficulty. The series is also packaged as a combined learning object.

### What a disaster - unit of work

Students investigate and explain how the landscape is shaped by nature, and the difference between a 'harmless' event and one that is termed a 'disaster'. They investigate the cause and effects of a particular phenomenon and offer an explanation of these. They also develop advertising materials for implementing emergency ...

### Federation celebrations - asset 3

This is a photographic print from 'Australia's Federation on film' showing the old gates at Sydney's Government House, covered in floral decorations and flags for the parade to celebrate Federation in January 1901.

### Food aid for victims of Cyclone Tracy, 1975

This is a colour photograph of people lining up for a meal at the Darwin High School relief centre in 1975. It shows victims of Cyclone Tracy serving themselves from a smorgasbord of fresh food spread out on tables set up in an open area under the School.