Questacon's Tam Conner demonstrates how to make a robot that draws by itself, using a DC motor, AA batteries, battery holder, switch, wire, masking tape, hot melt glue stick, paper cup and markers.
Dutch are experts in controlling surging seas and rivers, and are developing cuttingedge technologies to deal with climate change.
How the lazer cuts the steel for the harvesters
Show at beginning of lesson
Harrison explains how spiders make webs and why they are so strong.
Supporting the Australian Curriculum
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