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Listed under:  Newtons

### Lift a car with human hair?

Could it be possible to lift a car with human hair? Watch as Dr Karl collects enough hair to make a rope for such an attempt. Follow his progress at testing heavier and heavier objects until the final attempt. Can the rope of hair withstand the force?

### Physical science: circuits

Build electric circuits using batteries, light bulbs, resistors and other components. Add meters to measure the voltage, current and resistance. Investigate Ohm’s Law. Discover how to find the total resistance of a combination of resistors. Test your understanding by answering five assessment questions.

### Biography: Federation people: Charles Todd

Investigate the role played in Federation by astronomer and engineer Charles Todd and his Overland Telegraph. Examine two different types of biographies of Todd: one short and the other more detailed. Inspect examples of how he was visually depicted in his time. This learning object is one in a series of objects in the ...

### Simple machines - Teacher idea

This Teacher idea explains how students draw on day-to-day experiences with familiar machines as an introduction to forces and friction. Students investigate concepts including mechanical advantage, levers, inclined planes, wheel-and-axles and gears and apply this knowledge to design a machine. It includes a unit of work ...

### Circuits - upper primary

This collection of 11 digital curriculum resources is organised in three categories - types of circuits; circuit applications; and conductors and insulators. Interactive learning objects enable students to build and manipulate simple series and parallel electric circuits. Students investigate how current flows, effects ...

### Newton’s laws

This collection of nine digital curriculum resources examines forces and their effects. Video sequences develop the theoretical and practical aspects of Newton's three laws of motion, weight, friction, the normal force and centre of mass. Web pages provide background material as well as explaining frames of reference and ...

### Motion and forces

This collection of 15 digital curriculum resources is organised in three categories - measuring motion; effects of forces; and friction. The collection includes learning objects that demonstrate how motion can be represented and recorded, as well as investigating the forces that influence it. Graphical techniques are frequently ...

### Newton’s laws

Learn about the effect of unbalanced forces on the motion of objects. Discover why the force of friction delayed the scientific study of motion and how Galileo made an important breakthrough. View demonstrations of Newton's three laws of motion. Analyse real-life situations to find the various forces acting and their effects. ...

### Weight and contact forces

Learn to use your knowledge of vectors to analyse how things move on surfaces under the influence of gravity and friction. Differentiate between weight and mass. Discover the factors that influence frictional forces and why surfaces push back when they are deformed. This resource consists of a video in six sections with ...

### Overland Telegraph Line

The construction of the Overland Telegraph Line 1871-72 was the first truly national development project in Australia. This collection of nine digital curriculum resources focuses on three aspects: building the Overland Telegraph Line; the people who brought the project to fruition; and how the Overland Telegraph Line connected ...

### Overland Telegraph construction team, 1872

This is a photograph of some of the construction team who built the Overland Telegraph Line from Port Augusta in South Australia to Darwin in the Northern Territory, 1870-72. They are camped at Roper River, about 150 kilometres east of Katherine, Northern Territory, where supplies were delivered for the construction of the line.

### Broome's main street

This is an excerpt from a 1926 silent documentary about Broome in Western Australia that was made by the Australian Government's Cinema and Photographic Branch. The excerpt begins with the intertitle 'The main street of Broome' and goes on to show a car driving down Broome's main street - a dirt road flanked by trees and ...

### John Forrest's 1874 expedition

This is a 52.5 cm x 69 cm, black-and-white photoengraving, of John and Alexander Forrest, James Sweeney, James Kennedy, Tommy Windich and Tommy Pierre with their horses after crossing the Great Victoria Desert in 1874. On the far right is the Overland Telegraph Line, about 120 kilometres north of Coober Pedy in South Australia. ...

### First pole on the Overland Telegraph, c1870

This is a black-and-white wood engraving of a drawing dating from about 1870 by Samuel Calvert (1828-1913). Probably set near Adelaide, South Australia, it depicts a group of men and women in mid-Victorian dress, circled around a rough-hewn telegraph pole, in a bush setting. The pole is being levered, using ropes, into ...

### Hilltop railway cutting near Mittagong, 1884-1917

This is a black-and-white photograph from a silver gelatin dry-plate glass negative produced by the studio of Charles Kerry and Co, Sydney, showing a section of the Main South Line railway near Mittagong, New South Wales, some time between 1884 and 1917. Three men and a woman are posed on a fettler's trolley, a small, self-propelled ...

### King William Street, Adelaide, c1900

This is a black-and-white photograph of King William Street, Adelaide, South Australia, looking north from Victoria Square in about 1900. The photograph shows a horse and carriage, horse tram and pedestrians near the Town Hall (right) and the General Post Office (GPO) (left foreground). It shows buildings, street lights ...

### Overland Telegraph construction party, Roper River, 1872

This is a black-and-white photograph of four of the men involved in constructing the first north-south telegraph line across Australia in 1871-72. The shot was taken at Roper River in the Northern Territory in 1872. In thigh-high boots, third from left, is Charles Todd, who had overall responsibility for the project. The ...

### Landing the submarine telegraph cable, 1871

This black-and-white photograph shows the landing of the submarine wire cable on the beach at Port Darwin, Palmerston, in the Northern Territory in November 1871. A large crowd, comprising workmen in line holding the cable above the sand and a number of formally dressed adult and child onlookers as well as a horse and cart, ...

### Meteorites, asteroids, orbiting and gravity

Learn how Galileo Galilei's work overturned Aristotle's ideas about falling objects and led to an understanding that Earth revolves around the sun. Find out how Isaac Newton showed that the laws of motion on Earth and in space are the same, and that he discovered that the gravitational force of attraction between any two ...