What are rocks made of?
· 14 min
Episode What are rocks made of?
0:00
14:07
Rocks are all around us… they’re in the garden, on the road, in the bush and all our waterways... But how did they all get there? And what are they made of? Nij and the kids meet Dr Heather Handley in her subterranean submarine 'Velma' and venture into a volcano for answers….
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