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    • Using a balloon & soil to represent a volcanic caldera eruption.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 4 May 2016 Size: 610 KB Referencing Hub media

    Students bury the balloon in the sandpit or in a bucket of sand or soil. Students pop the balloon – this represents the eruption – and then view the caldera or crater that is left behind.

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      ACTIVITY

      Calderas in the sandpit

      In this activity, students pop a balloon in a container of sand to model caldera volcanoes and learn how lakes like Taupō and Rotorua were formed. Modelling a caldera formation Use a balloon ...

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