Click on the link "Volcanic Eruption, Climate Disruption" Print it out and staple it to your Climate Investigation. Follow the directions on the handout.

Sketch two graphs, one for volcanic debris levels, one for temperature.

http://static.guim.co.uk/sys-images/Observer/Pix/pictures/2010/11/3/1288796437302/mount-merapi-volcano-erup-006.jpg