Search results

Listed under:  Science  >  Scientific inquiry  >  Experiments  >  Test validity
Online

Collisions and biomechanics lesson

This lesson plan investigates ways in which automobile manufacturers seek to reduce injuries that occur in car accidents. Students note the effects of car accidents on human bodies, the factors that influence the type and severity of injuries, and the safety ratings of vehicles in which they travel regularly. The resource ...

Online

States of matter: Our warming world

Matter can exist in different states, and behave differently depending on temperature. In this resource, students investigate how heat can affect the motion and arrangement of particles, and how this may impact our world.

Online

Green packaging lesson

This lesson plan engages students in finding ways to reduce plastic waste in food packaging. Students investigate problems created by plastic waste then observe ways these issues are being addressed. They design new packaging for food items that currently produce excessive waste then test their designs objectively. The ...

Online

The Conversation: climate change

This resource consists of a series of articles that examine the issue of climate change including explanations of the science, the solutions and the political, social, economic impact that impact climate change has had on the International community and Australia. It can be used to provide examples of discussions in Australia ...

Online

Water: learn it for life! - year 7 science

This PDF unit of work is one of a series of resources accessible by searching the list in the series.It includes two teaching and learning sequences: 'Water journeys' focuses on the water cycle, and 'Pure water' focuses on the processes and people involved in creating and managing drinkable water. It provides Australian ...

Online

Climate education guide, activity 3: trees and carbon

This is a teaching-learning resource containing teaching strategies and a student activity about the role of forests as carbon sinks and the effect of tree size on the capacity to store carbon. The resource has six tabs, five of which are relevant. The first tab provides information about the importance of forests in storing ...

Video

Catalyst: Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

Video

Eyeballing colours

Fiery red, cool blue and sunny yellow are phrases used to describe feelings associated with colours. But what actually is colour? Why is it there and what helps us to see it? Follow Chloe Sheridan as she unravels the complexity of seeing colour by delving into its physics and biology. She entered this video in the 2013 ...

Video

Ramping it up, Egyptian pyramid style

How did the ancient Egyptians move and lift huge stones during construction of the pyramids? Secondary student Angus Atkinson designed an experiment to find out how the lives of pyramid workers could have been made easier. See how as you watch this video, which he entered in the 2013 Sleek Geeks Eureka Science Schools Prize.

Video

Friction: Friend or foe?

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

Video

Can photons and atoms generate laser?

Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.

Video

Atoms of Fire: Vitalism disproved through evidence

Discover how the scientific theory of vitalism, championed by the Swedish chemist Jöns Berzelius, was disproved by his former student Friedrich Wöhler. Find out the way chemists study how the different atoms in organic compounds combine in set ratios depending on the 'valence' of those atoms.

Video

Catalyst: Climate and bushfires in Australia

What can science tell us about the major cause of bushfires in Australia's past? How can it help us predict future bushfires? Two scientists discuss evidence related to bushfire regimes (bushfire patterns, types and intensity). Please note that this clip contains recent images of homes destroyed by fire that may disturb ...

Video

When neutron stars collide

Using technologically advanced supercomputers, scientists have developed theories about the creation of black holes deep in outer space. Watch the computer simulation in this clip to see how the collision of two neutron stars produces a gamma ray burst and a new black hole. Discover that our continuing understanding of ...

Video

Stems Cells in the Brain

This seven and a half minute video segment from Catalyst outlines how the discovery of stem cells in the brain marks a potential breakthrough in understanding the process of ageing in the brain. If brain stem cells can be regenerated through exercise or mental activity, can ageing be delayed?

Video

Future of the moon

This 4 minute video segment from Catalyst describes how Moon rocks may hold clues about the beginnings of life on Earth because of the lack of weathering and erosion.

Video

Too cold for cane toads

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

Video

Sexual selection

This 5 minute video segment from Catalyst describes how Charles Darwin has revolutionised the way we understand modern biology and evolution. A scientist in Queensland put one of his theories under the microscope by testing to see if more brightly coloured male butterflies have greater success in mating. He speculates that ...

Video

Cloud seeding

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...

Video

Earthshine

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...