Science / Year 4 / Science Inquiry Skills / Questioning and predicting

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It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

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Biodiversity has been perfected by nature over millions of years where invertebrates have played an important role in maintaining a balanced, biodiverse ecosystem. Invertebrates provide services to food crops including pollination and protection from pests. This learning activity is the second part of a sequence of 3 individual ...

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Compost is created when organic materials such as twigs, leaves, dry grass and kitchen food scraps break down. Composting is a great way to reduce the amount of landfill that is produced, and also provides soil full of good nutrients that can be used on the garden. OUTCOMES of this learning activity are for students to: ...

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Invertebrates perform many different roles in a garden’s ecosystem and occupy many different habitats. In this activity, you will be completing an assessment of these animals. The aim of this activity is for children to identify invertebrates, appreciate different invertebrate habitats and understand the roles that these ...

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As we clear land for urban development, and for broadacre farming, we remove the spaces where bees nest and find their food. With no food, and nowhere to produce their young, native bee populations are under threat of local extinction. In this activity, we will look at providing nesting spaces for native bees which mimic ...

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To answer the question 'Are glass eyes really made of glass?' Peter Rowsthorn visits an ocularist who makes artificial eyes. Join him as he investigates how these eyes are made. Witness the skill of an ocularist, Jenny Geelen, as she creates an artificial eye to match Pete's existing eyes.

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Did you know that a coconut and a walnut are actually seeds? Tiny or huge, prickly or smooth, seeds contain everything a plant needs to start a new life. Watch this clip and find out how seeds get around, and what they need to start growing. Presenter Nick Hardcastle will even show you how to grow your own plants from seed.

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Come on a journey with young scientist Alex Jaeger as he tells us about fossils found along the Jurassic Coast in Victoria. Find out how the area's landscape and ecosystem have changed over time. Alex explains how fossils are formed and what they reveal about Australia's past in his 2013 Sleek Geeks Eureka Science Schools ...

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Have you ever grown vegetables? In this clip you will discover many things about vegies and how they grow. Presenter Nick Hardcastle will even show you how to make a vegetable garden in a box. Find out which vegetable is actually a flower, which are the best seasons for planting and picking, and how deep to bury seeds.

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Explore the Swan Valley Anglican Community School garden with Josh Byrne, and you will be amazed at what they have created in just six months. This clip will inspire you to create your very own productive garden.