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• TLF-IDA003903

This activity invites students to experiment with a frozen water balloon and learn about water chemistry, phase changes, and density. The activity includes a list of tools and materials required, what to do and notice, an explanation for the underlying science of what students observe and suggestions for further activities.

• TLF-IDA003905

This activity invites students to explore how the pH of a solution dictates whether carbon is present in the form needed to make seashells. The activity includes a list of tools and materials required, what to do and notice, an explanation for the underlying science of what students observe and suggestions for further activities.

• TLF-IDA003907

This activity invites students to calculate the acceleration of gravity using simple materials, a cell phone, and a computer to record, watch, and analyze the motion of a dropped object. The activity includes a list of tools and materials required, assembly instructions, what to do and notice, an explanation for the underlying ...

• TLF-IDA003804

In this activity, student groups investigate how to clean a dirty water mixture. The groups compete to see who can design a filter that produces the cleanest water in the shortest time

• TLF-IDA003910

This activity invites students to make a model organ pipe and explore how to amplify a tuning fork by holding it over the pipe and changing the length of the pipe. They investigate how at certain pipe lengths, the pitch made by the tuning fork sounds very loud as it resonates with the air column in the pipe. The activity ...

• TLF-IDA003821

The unit has been written to develop students' understanding of the importance of water as a resource and to promote its wise usage. If possible, organise to implement this unit in a term in which you are likely to receive rain.

• TLF-IDA003923

This activity invites students to design and make Whimsical Whirligigs, kinetic contraptions that can be powered by wind, crank, or motor. Students can create wind-powered paper creatures or machines with moving parts. A The activity includes a list of tools and materials required, assembly instructions, inspiration and ...

• TLF-IDA003968

This video is a flythrough around the coast of Australia shows the major topographic features of the seafloor around the continent. Starting in the south west the viewer can see the continental shelf and slope of the southern coast followed by the seamount chains and the Great Barrier Reef to the east. Continuing around ...

• TLF-IDA003972

This video presents examples of shell fossils that help us to understand where oceans were located in Australia millions of years ago. The shells lived in shallow marine environments before they died and became part of the rocks formed from sand and silt at the bottom of the water. Brachiopods from Woolshed Creek in Canberra ...

• TLF-IDA003976

This video introduces earthquake monitoring using seismometers and seismographs. It also features the National Earthquake Alert Centre. Students are asked to try making earthquakes at home using the accelerometers in their smartphones.