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Listed under:  Mathematics  >  Measurement  >  Units of measurement  >  Newtons
Interactive

Forces

Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to understand what forces are and what they can do. There is a two-question quiz and a summary slide.

Interactive

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 ...

Image

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 ...

Image

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. ...