Science / Year 4 / Science as a Human Endeavour / Nature and development of science

• TLF-IDM025101

Numbats are native Australian marsupials that can be found in Western Australia and South Australia. Unfortunately, their numbers are declining rapidly. What are the causes? What can we do to combat this and protect these unique Australian animals? Find out what one community group, the Numbat Taskforce, is doing to help ...

• TLF-IDM025103

The koala population in rural NSW has been declining over the years due to drought and heatwaves. What causes some of the temperature extremes experienced in this region? Dr Mella believes koalas normally get most of the moisture they need to stay hydrated from eucalyptus leaves. What has changed in recent years that means ...

• TLF-IDR6865

This is a colour photograph of a giant sea spider ('Dodecolopoda mawsoni') set against a black background. This is a preserved specimen that has lost its original red colouration and faded to orange due to the preserving liquid. The long legs, small body and bright colouration are displayed in the image.

• TLF-IDR6878

This is a colour photograph of a marine amphipod ('Birubius wirakus'), showing its characteristic curved body shape and tail limbs.

• 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-IDR6893

This is a colour photograph of a collection of bivalve molluscs ('Theora lubrica').

• TLF-IDR1785

This is a gold nugget (approximately 3.4 cm x 2.2 cm), which was probably found in about 1865 on a goldfield in Otago (in the southern South Island of New Zealand).

• TLF-IDR11933

This image is a concept cartoon. It shows a boy and a girl discussing food chains. One character is stating that producers are always at the start of a food chain, while the other character is refuting this. The cartoon is intended as a stimulus for further discussion of the concept.

• TLF-IDR10264

This is an edited sound recording of the leading science journalist and broadcaster, Robyn Williams, offering advice on how to encourage children to be interested in science. Williams states that the 'greatest challenge' is to exploit and maintain a 'natural' interest displayed in early childhood. He suggests that children ...

• TLF-IDR6889

This is a colour photograph of a preserved paradise parrot ('Psephotus pulcherrimus'). It is a museum specimen displayed perching on a branch. The bright plumage colours for which it is well known are clearly visible.