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Measure and control variables, select equipment appropriate to the task and collect data with accuracy (ACSIS141)
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Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...
We'd like to think our dogs offer us comfort when we get upset or injured. Can the 'classic test' of empathy in humans tell us something about dogs? The reporter investigates the phenomenon of empathy: the ability to be aware and sensitive to the feelings of others from their perspective.
When you walk with a glass or a cup filled with liquid, do you find yourself spilling some of the liquid? Some scientists have studied why this happens and how best to avoid it.
Do you think left-handed people have characteristics that are different from right-handed people? It seems that right-pawed dogs have certain characteristics that make them better Guide Dogs, but how do you find out whether your dog is right-pawed or left-pawed to begin with? Watch this experiment to find out!
Have you ever wondered what causes that annoying 'red-eye' in photos taken with a flash? How can you avoid or lessen it? Marko Moutafis uses eye models as he takes us through a lively demonstration to help answer these questions. He entered this video into the 2013 Sleek Geeks Eureka Science School Prize competition.
This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.
Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand how to measure the rate of photosynthesis and understand what factors affect it. A detailed method is suggested for measuring the effect of varying levels of light. There is a two-question quiz and a summary slide.
This resource contains ten IWB flipcharts as well as Flash alternative exercises and models how to plan a scientific investigation, choose the right equipment and follow safe working practices.
This unit of work will help students make an informed choice on which light globe to use from the wide range of light globes now available. Their choice will be based on cost, value for money, life span of globe, light output and energy used. Students will also gain an understanding of how light output and electricity (energy) ...
A collection of geography and science resources for high school teachers and students to support teaching and learning from home. The resources were developed by Department of Education teachers from 25 Environmental and Zoo Education Centres in NSW and include Google Sites, programs and activities.
This is a colour photograph of marine scientist Dr Miles Lamare. Dr Lamare is in his office at the Portobello Marine Laboratory at the University of Otago, New Zealand. On the desk behind Dr Lamare is the scientific equipment he uses to download data from electronic tags, which he attaches to sea stars.
Investigate the role of friction in performance of bicycle tyres. Test how the type of tread affects grip and speed. Choose tyres best suited to track and weather conditions in a time trial. This learning object is one in a series of four objects.
This is an edited sound recording of the Australian medical scientist Ian Frazer discussing how he and his colleague Jian Zhou developed the first vaccine to prevent and treat cervical cancer. He describes their breakthrough laboratory discovery in 1990, and how they realised a vaccine was possible. He also tells of the ...
Investigate the internal structure of the Earth using earthquake measurements. Examine the Earth’s outer layer. Fit the Earth's tectonic plates together like a jigsaw puzzle. Identify how plate movements produce many features of the Earth’s surface. Predict the formation of new volcanic islands. This learning object is ...
This is a colour photograph of a scientist in a laboratory using a laptop computer to download data from electronic animal tags. To the right of the computer is a specialised communication box into which the electronic tag is placed. The scientist in the image is Dr Miles Lamare, a marine biologist involved in sea star ...
See how scientists such as Ernest Rutherford have investigated the structure of atoms. Explore possible models. Fire charged particles at atoms and find which model best fits the results. This learning object is one in a series of six objects. Three of the objects are also packaged as a combined learning object.
Have you ever wondered what happens to the on-farm waste from our food crops? It's not all left to rot into the soil. Watch as an innovative farmer joins forces with a clever engineer to turn farm waste into a new product with unique properties.
2013 was one of Australia's hottest years, with lots of heat records being broken. Dr Karl Braganza and his team at the Bureau of Meteorology are responsible for preparing temperature and climate data such as this, that climate scientists analyse. Why is it important to keep and study records about the climate?
Did you know that samples of polar ice can tell us what the atmosphere was like almost a million years ago? The Bureau of Meteorology has records that go back 3000 years! Why do you think scientists are interested in learning what the atmosphere was like before industrialisation?
Will scientists ever be able to accurately predict earthquakes? Imagine the number of lives that could be saved if this were possible. Dr Maryanne Demasi joins a group of researchers drilling into one of the most earthquake-prone regions on Earth as they try to improve earthquake prediction to add precious seconds to earthquake ...