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Listed under:  Technologies  >  Machinery  >  Levers
Teacher resource

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 ...

Image

Cockpit of the 'Southern Cross'

This is the cockpit of Charles Kingsford Smith's plane, the 'Southern Cross'. The hubs of the two wooden pilot's wheels feature the plane flying below the Southern Cross constellation. There are mechanical levers between the two seats and dials displaying numbers with needle indicators on the dashboard. Two sets of headphones ...

Interactive Resource

Pivots and Levers

Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to understand that forces can cause objects to turn about a pivot and that the turning effect of a lever depends on the force and its distance from the pivot. There is a two-question quiz and a summary slide.

MovingImage

Pivots and Levers: animation

Students use this resource consisting of one page with a diagram of a lever whose length can be varied. A weight is then applied to the lever and students can see whether the force was sufficient to lift a crate. This demonstrates that forces can cause a lever to turn about a pivot and that the turning effect of a lever ...

Text

Science principles in traditional Aboriginal Australia

This is an illustrated article about how Aboriginal people's traditional knowledge demonstrates an understanding of physics, biology and chemistry and how Aboriginal people gather knowledge through observation, testing, trial and error, adapting and retesting. Written by Kudjala/Kalkadoon Elder from Queensland Letitia Murgha ...