Science / Year 4 / Science as a Human Endeavour / Use and influence of science

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What is a 'baited remote underwater video station'? Often the most innovative scientific research is used to identify living things under the threat of extinction. Watch this clip to learn more about the shy but curious Murray River crayfish and the scientists intent on ensuring its survival.

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Discover why plastic is harmful to our environment and how recycling helps to reduce its impact. Listen to Jon Dee, founder of Planet Ark, discuss the problem of plastic. Watch as a bag of household items are sorted to identify what can be recycled.

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Plants are the only living things that can make their own food. They do this during the day while it's light, using a process called photosynthesis, which uses carbon dioxide and produces oxygen. During the day and night plants take in oxygen and release carbon dioxide through respiration. Discover just how important plants ...

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Find out what is causing erosion of the hills in a local area, and how this damage can be prevented. View this clip called 'Willunga Hills are falling down', created by young reporters from Willunga Primary School, South Australia. The clip was developed as part of the ABC Splash Live 'Making the news!' project, which featured ...

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Peter Rowsthorn visits the Australian International Air Show to answer the question, 'What effect does g-force have on the human body?' Join Pete in the cockpit of a light plane for some aerobatics with pilot David Pilkington. G-force expert Dr David Newman explains the science as Pete endures up to 6 g in the aircraft.

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Clean up Old Bernie's Pond. See how it has become polluted and invaded by introduced species. Restore the pond by choosing actions such as planting native species and removing sources of pollution. Look at the effects of each change. Earn points to get a certificate.

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People rely on plants to survive, and plants are affected by people. This unit shows some of the relationships that make up earth's ecosystem. This inquiry-based sequence of six lessons is based on current food security, sustainability and photosynthesis research. The experiments and activities include easy to set and see ...

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This resource highlights fifteen natural ecosystems found in New South Wales. Each resource has been designed for students investigating ecosystem types in NSW, providing a greater understanding of their location, function, how they are impacted by human activity and how schools and communities can work to protect them. ...

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This resource guides students through an extended school-based or local investigation focussed on waste and materials using the five-step sustainability action process. The resource supports the investigation of a real-world issue or problem. Students develop and implement a chosen sustainability action and then evaluate ...

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This iPad app contains a selection of games with an agricultural theme. At the conclusion of the activities, fun farm facts or information are provided (some of these facts can be read aloud by selecting a volume icon). The games encompass a range of things important to farming life including farming equipment, careers ...