Breadcrumb Home Search Skip to filters Tree Rings: Recorders of Climate ChangeStudents observe tree rings in a tree cross section sample and analyze tree ring data to interpret paleoclimate conditions. Resource Type: Activities Paleoclimates and PollenStudents examine "pollen" in simulated lake bottom sediment core samples to infer past climate in the vicinity of the lake. Resource Type: Activities Search View Search Filters Content type Basic page Event Event Series Activity Teaching Box Pagination First Previous Page 1 Current page 2