Eruption will now occur. Students will hypothesize what caused the eruption. Eruptions can be activated many more times to simulate more eruptions. Students will continue to record observations and to answer conclusion questions on the worksheet. Have one person from each group carefully take their volcano and throw it into the thrash.
Share results with the class.
Teacher will put up worksheet on the overhead and will complete the activity as a class. Students will be evaluated on cooperation during class period, and on completing the worksheets. Newspaper and tape can be precut for students. Also, materials can be glued if that would be easier. Finally, everything can be labeled and worksheets can be printed with larger font and use pictures for students with disabilities.