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Science / Year 4 / Science Understanding / Physical sciences

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Forces can be exerted by one object on another through direct contact or from a distance (ACSSU076)

Elaborations
  • observing qualitatively how speed is affected by the size of a force
  • exploring how non-contact forces are similar to contact forces in terms of objects pushing and pulling another object
  • comparing and contrasting the effect of friction on different surfaces, such as tyres and shoes on a range of surfaces
  • investigating the effect of forces on the behaviour of an object through actions such as throwing, dropping, bouncing and rolling
  • exploring the forces of attraction and repulsion between magnets
General capabilities
  • Numeracy Numeracy
ScOT terms

Mechanical energy,  Fundamental forces

Teacher resource

Backyard Science: mysterious magnets

This resource provides opportunities for students to explore how a non-contact force, magnetism, interacts with everyday objects. Students will investigate the behaviour of a variety of materials when placed near a magnet and classify objects as magnetic or non-magnetic. Students will use their experiences to identify the ...

Interactive Resource

Useful Friction

Students use this resource consisting of six slides with diagrams, written explanation and voice-over to understand how friction is needed in movement and braking. The fact that friction produces heat and causes wear is also mentioned. There is a two-question quiz and a summary slide.

Interactive resource

Jet force

Shoot a disc at a target to score goals. Control the direction of the disc by applying linear forces. Use a single linear force, then combine multiple forces. Play a match where you score points by aiming accurately. Challenge a friend to compete in a two-player 'championship'. This activity is a combination of three activities ...

Teacher resource

Primary Connections: Magnetic moves

This comprehensive teacher resource focuses on exploring magnetic forces. Students investigate how magnetic forces apply to objects over a distance, examine what materials can be pulled with a magnet and how friction affects the movement of objects being pulled by a magnet. They explore how two magnets can repel each other, ...

Moving Image

The physics of a slinky drop

Imagine holding a slinky by the top end, with the bottom end dangling in mid-air. What do you think would happen when you let it go? Explore the physics of two equal and opposing forces working on an object in this awesome experiment!

Interactive resource

Jet force: training

Shoot a disc at a target to score goals. Control the direction of the disc by applying linear forces. Use a single linear force or combine up to three forces. Train for a match by aiming accurately. This activity is one in a series of three activities.

Interactive resource

Electromagnetism: electromagnet basics

Explore the parts of an electromagnet circuit. Test objects made of different materials to find out whether they are affected by magnetic fields. For example, discover whether a rubber band is deflected by the field of an electromagnet. This learning object is one of three learning objects in the same series.

Interactive resource

Jet force: match

Shoot a disc at a target to score goals. Control the direction of the disc by applying linear forces. Use a single linear force or combine multiple forces. Play a match where you score points by aiming accurately. This activity is one in a series of three activities.

Teacher resource

Friction

In this learning sequence, students explore frictional forces. They investigate how friction changes with different contact surfaces in wet, dry and icy conditions, and the effect this has on braking. Finally they apply this learning to the real-world situation of tram travel, and explore why sand is used on tram tracks ...

Moving Image

Effects of g-force on the human body

Peter Rowsthorn visits the Australian International Air Show to answer the question, 'What effect does g-force have on the human body?' Join Pete in the cockpit of a light plane for some aerobatics with pilot David Pilkington. G-force expert Dr David Newman explains the science as Pete endures up to 6 g in the aircraft.

Interactive resource

Moving Machines

This learning object provides simple animations that illustrate how gears work; the bicycle is chosen as an example for further study. The topic concludes with a self test and a tool for developing ideas for further research. Two pdf files, ‘The cost of getting around’ and ‘The story behind the bicycle’ may be downloaded. ...

Teacher resource

Friction is all around us

The video clip ‘The magic of friction’ provides an opportunity for students to gain an appreciation of, and insight into, frictional forces. Students undertake an experiment with a toy car to explore how the motion of the car is affected by varying the surface of the car’s wheels. Additional resources are available to investigate ...

Moving Image

Do-it-yourself science toys

Bernie and Ruben show you how to make four do-it-yourself (DIY) science toys. Learn how to make a balancing tightrope walker, a lava lamp, a spinning spiral decoration and a cardboard boomerang. You might need some help with a few things.

Interactive Resource

Science Talk 2007: Ruben Meerman

Find out what happens when the ABC's Surfing scientist, Ruben Meerman visits Year 3 at Crown Street Public School with some liquid nitrogen! Ruben shows the Year 3 students what happens to solids and gases when they are cooled and warmed and relates this to real-world phenomena. Ruben also shows the kids some tricks with ...

Moving Image

Friction between paper experiment

Are you strong enough to pull two sheets of paper apart? What about two books with the pages intertwined? Watch this experiment performed by Ruben Meerman, the Surfing Scientist, and find out how he tests the presence of friction between pieces of paper.

Interactive resource

Jet force: championship

Shoot a disc at a target to score goals. Control the direction of the disc by applying linear forces. Use a single linear force or combine multiple forces. Take turns competing against a friend. Score points by aiming accurately. This activity is one in a series of three activities.

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 ...

Teacher resource

Aeronautics

This is a resource for educators detailing student learning programs that explore aeronautics, encouraging them to examine the nature of flight and to experience some real-life applications of mathematics, science and technology. The activities are divided into three chapters: Air, Flight and We Can Fly, You and I. Step-by-step ...

Teacher resource

Classroom Antarctica: breaking the ice

In this learning sequence students investigate the concept of force, simply described as a push or a pull. They find out how forces can change the shape or movement of an object and explore deformation: breaking, bending and how different materials react under different forces. Students plan and conduct a simple experiment ...

Teacher resource

Investigating air

This is a resource that uses the topic of air to explore intellectual property, in particular patents. The resource includes: exploration into the properties of air; opportunity to devise and carry out experiments involving air; and the ability to claim mock credit for a discovery or invention by taking out a pretend patent. ...