Diagrams or Two relevant figures Two relevant figures Two relevant figures Figures are missing are presented and are presented and are presented. or have little to do figure (at least 2 clearly discussed. discussed. with the topic. relevant figures) (4 pts) Mechanics No grammatical, Almost no A few grammatical Many grammatical, spelling or grammatical, spelling spelling, or spelling, or (3 pts) punctuation errors. or punctuation punctuation errors. punctuation errors. Achieved word errors. Less than stated Less than stated count. Achieved word word count. word count. count. Sources All sources All sources All sources Some sources are (information and (information and (information and not accurately (at least 4 graphics) are graphics) are graphics) are documented. references) accurately accurately accurately (3 pts) documented in the documented, but a documented, but desired format. few are not in the many are not in the desired format. desired format. Appendix 1. Examples of scholarly publications for each eruption Pinatubo Atmospheric effects of the Mt. Pinatubo eruption. MP McCormick, LW Thomason, CR Trepte - Nature, Vol. 373, 2 Feb 1995. Available at: Summary of Pinatubo from Global Volcanism Program of the Smithsonian. See: Krakatoa Volcanoes and climate: Krakatoa's signature persists in the ocean. P. J. Gleckler1, T. M. L. Wigley2, B. D. Santer1, J. M. Gregory3, 4, K. AchutaRao1 & K. E. Taylor1. Nature 439, 675 (9 February 2006) Available at:
Diagrams or figure (at least 2 relevant figures) (4 pts) Two relevant figures are presented and clearly discussed. Two relevant figures are presented and discussed. Two relevant figures are presented. Figures are missing or have little to do with the topic. Mechanics (3 pts) No grammatical, spelling or punctuation errors. Achieved word count. Almost no grammatical, spelling or punctuation errors. Achieved word count. A few grammatical spelling, or punctuation errors. Less than stated word count. Many grammatical, spelling, or punctuation errors. Less than stated word count. Sources (at least 4 references) (3 pts) All sources (information and graphics) are accurately documented in the desired format. All sources (information and graphics) are accurately documented, but a few are not in the desired format. All sources (information and graphics) are accurately documented, but many are not in the desired format. Some sources are not accurately documented. Appendix 1. Examples of scholarly publications for each eruption Pinatubo Atmospheric effects of the Mt. Pinatubo eruption. MP McCormick, LW Thomason, CR Trepte - Nature, Vol. 373, 2 Feb 1995. Available at: Summary of Pinatubo from Global Volcanism Program of the Smithsonian. See: Krakatoa Volcanoes and climate: Krakatoa's signature persists in the ocean. P. J. Gleckler1, T. M. L. Wigley2, B. D. Santer1, J. M. Gregory3, 4, K. AchutaRao1 & K. E. Taylor1. Nature 439, 675 (9 February 2006) Available at: