1. What do you think will happen to the can when it is first placed on the sand mixture?

    

    

2. What did happen? Why?

    

    

3. What happened to the can after the tub was shaken? Why?

    

    

    

    

4. Is this effect logical for the disappearance of a continent? Are there other effects that could have caused a continent to disappear into the depths of the ocean?

    

    

    

    

    

5. If the sunken continent were a cause for disappearances, what would be causing these disappearances? I.e. what would be the reason that the continent would make ships sink?

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Quicksand and Earthquakes lesson