Forces can be exerted by one object on another through direct contact or from a distance

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The force of friction

This online resource is an assessment task where students conduct an investigation into the effect of friction on the distance a toy car travels after rolling down a slope.

The resource includes detailed background information about the science concepts, student worksheet, continua model of task-specific standards  for A-E assessment, suggestions for student feedback and links to the Australian Curriculum.

Magnetism and electrostatics - Year 4 CLE

This online resource is an ASSIST Connected Learning Experience (CLE) to help teach Year 4s about non-contact forces.


Description: In this investigation, non-contact forces are investigated in the context of magnetism and electrostatic electricity to show that some forces can move objects without directly touching them.


Learning intentions


Students will be able to:


Assessment Year 4 forces

I’m planning to run a physical sciences unit with my Year 4 class (forces), and plan to use some of the activities from the ASSIST resource ‘Investigating contact and non-contact forces'.  Have you any advice on criteria to assess A-E? Can you give some guidance about what I should expect of ‘above standard’ work?

Slinky drop video

This online resource is a short video about what happens to the top and bottom of a stretched slinky spring as it falls. The clip is taken from the ABC television show Catalyst

The video shows interviews with various people on the street who try to predict what will happen when a stretched slinky is dropped. Slow motion footage reveals the answer, which might amaze you ... it did amaze them!

Gravity - Flash interactive

This online Flash-based resource consists of four slides with diagrams, written explanations and a voice-over to assist students in understanding gravity. They will understand that gravity is a force of attraction, which pulls objects towards the centre of the Earth. They will also explore that the size of the force of gravity depends on the mass of each object and the distance between them. 

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