Have you tried 'See how they run; an investigation into why some lavas flow further and more quickly than others' The fluid in the three containers has been heated to different temperatures. The results of which containers best describe the eruptions in the two photos? What are the factors affecting the viscosity of lavas? Find out the answers by trying this activity.
There are lots of other Earthlearningideas for your pupils to try. Click on Keywords Index for a comprehensive topic list or on Categories for the groupings of activities.