Science / Year 10 / Science Understanding / Chemical sciences

• TLF-IDM013142

This is a multilayered resource about the theories and evidence of the origins of the first modern humans in south-east Asia. It has four sections: Theories; The sout-heast Asian fossil record; The appearance of sout-heast Asian features; and The first modern Indonesians. The Related sections, Related items and Related ...

• TLF-IDR6884

This is a colour photograph of graptolites fossilised in rock. These are specimens of 'Pendeograptus fruticosus'. The figures visible on the rock are cataloguing numbers.

• TLF-IDR6854

This is a colour image of a model of a molecule of bromine monofluoride, BrF. In this model, atoms are represented by coloured spheres held together by grey rods, representing covalent bonds. The bromine monofluoride molecule contains one bromine atom (the brown sphere) and one fluorine atom (the blue-grey sphere).

• TLF-IDR6867

This is a colour photograph of a preserved southern gastric brooding frog ('Rheobatrachus silus'). It is a museum specimen viewed from the front.

• TLF-IDR6367

This is a gold nugget known as the 'Bunyip nugget'. It weighs 50 ounces (1.55 kg). It was found in the early 1970s by a farmer while ploughing near Bridgewater to the west of Bendigo in Victoria, and was purchased by the National Museum of Victoria (now Museum Victoria) in 1978 for $40,000.

• TLF-IDR6881

This is a colour photograph of a 'Zygomaturus tasmanicus' fossil skeleton. The skeleton is a museum specimen and has been braced with metal rods. It is displayed in a standing posture.

• TLF-IDR6871

This is a colour photograph of a fossil of a gastropod 'Tenagodus occlusus', showing the spiralled shell.

• TLF-IDR1753

This is the skeleton of Phar Lap, the famous racehorse, which was born in New Zealand, raced mostly in Australia and died in unexplained circumstances in the United States in 1932.

• TLF-IDR3048

This is a black-and-white photograph of the exterior of an exhibition home made of fibrolite (fibro-cement) that was constructed by James Hardie and Co Ltd (now known as James Hardie Industries). The street outside the home is crowded with people, some of whom have come to view the fibrolite home. The photograph measures ...

• TLF-IDR6985

This is a colour image of a model of a molecule of iodine, I₂. In this model, two iodine atoms are represented by deep red spheres held together by a grey rod that represents a covalent bond.