Category Archives: Earth science

Pumice – Floating rocks

The mystery of Pumice – floating rocks! Most of us know rocks as being hard heavy objects that easily sink in water. The closest thing we see to rocks on top of water might be when we skip stones on … Continue reading

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Permian – understanding our planet’s past.

As we head towards a warmer planet, it’s good to look back at past times and see what the Earth was like…and this time I head back 299 million years. ¬† ¬†Geologists call that period of Earth’s history the Permian. … Continue reading

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