Search results

• TLF-IDR6377

This is a mechanical model of part of the solar system, commonly known as an orrery, manufactured by English mathematician and instrument maker Benjamin Martin in about 1770. This bronze model features a cylindrical clockwork mechanism with an orb representing the Sun placed in the centre. Extending from this on an arm ...

• TLF-IDM015991

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

• TLF-IDM015915

How can you tell when rain is on the way? Some animals seem to know when wet weather is coming. This clip explains some different ways that people can tell it's going to rain.

• TLF-IDM011988

This web resource tells a story explaining the process of exploration, and in particular making links to space exploration. Using a character called Nebula, the story traces exploration from historical perspectives to current approaches. Exploration by NASA of the Moon, living on the space station and using robots and telescopes ...

• TLF-IDM015621

Imagine how big you might be compared to an ant, a speck of dust, a molecule or an atom. Explore the world of the very small, and find out just what units scientists use to measure extremely small objects.

• TLF-IDM015571

In 1914 Ernest Shackleton and his crew set out on an expedition to cross Antarctica via the South Pole. But things went horribly wrong when their ship was crushed by ice on the way. In this news clip, witness an Australian scientist about to set out with five others to re-create Shackleton's remarkable journey of survival, ...

• TLF-IDM025817

This sequence of lessons invites students to collect data about letter frequency in a variety of text sources. They use their findings to critically evaluate letter point values in Scrabble, compare them to historical values, create their own themed Scrabble point values and to decipher an encoded excerpt of text. Each ...

• TLF-IDM015955

Explore genetics, the patterns of inheritance and disease-causing mutations. Find out about Gregor Mendel's historic pea-plant breeding experiments showing that traits are inherited in particular patterns. See how Australian scientists discovered the gene mutation responsible for a type of epilepsy.

• TLF-IDM015437

Learn how Galileo Galilei's work overturned Aristotle's ideas about falling objects and led to an understanding that Earth revolves around the sun. Find out how Isaac Newton showed that the laws of motion on Earth and in space are the same, and that he discovered that the gravitational force of attraction between any two ...

• TLF-IDM017783

Scientists are helping police to identify the place of origin of illicit drugs that arrive on Australian shores. Watch this clip to find out how scientific analysis, computer databases and police investigation are used together to determine the source of drugs such as cocaine. Discover that international efforts are involved ...