Science / Year 4 / Science Understanding / Physical sciences

• TLF-IDM020570

How many different paper plane designs are there? Lots! Watch as Dylan Parker, paper plane expert, demonstrates some of his favourites. Notice the way the different shapes and features of the planes cause them to move through the air in different ways. Which one do you like the most? Why not have a go at making something similar?

• TLF-IDM018315

Doctor Ruby and Bunsen Bernie are bubble hunters in search of the mysterious Anti-Bubble. Before they can enter into the Chamber of the Anti-Bubble, they must pass three challenging bubble tests. This is part one of a two-part episode.

• TLF-IDM020143

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!

• TLF-IDM016378

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 ...

• TLF-IDM015554

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.

• TLF-IDM013030

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 ...

• TLF-IDA006046

In this activity, students investigate pulleys. They build and test a range of pulley systems that increase in complexity, and then describe the way the pulleys change the magnitude and direction of the forces applied and the distance over which the load is moved. The activity includes a list of what is required, suggestions ...

• TLF-IDA004550

In this investigative task, students explore how light energy sources are used for shadow theatre design and how forces are used to create movement in shadow puppets for entertainment and storytelling. Students investigate how forces and light energy create changes by students making, testing and presenting a model shadow ...

• TLF-IDA003887

This activity invites students to explore the phenomena of rolling objects down a ramp and investigate the question, 'What happens to a roller when you change the ramp by making it steeper?' Students experiment by rolling balls or cylinders down a ramp, and observe how the ramp's steepness affects how far their roller rolls ...

• TLF-IDA003884

This activity invites students to explore the phenomena of balance and investigate the question, 'Can you find at least three different ways of balancing three identical weights on a balance board?' Students work with a simple balance (e.g., a ruler as the balance board, a toilet-paper-tube fulcrum, and coins as weights), ...