This series of curriculum support materials and classroom activities explores how our understanding of the nature of the universe has changed during the past 100 years. Students examine the process of science through the stories of the people and... (View More) the discoveries that caused our understanding to evolve from a static universe to a universe whose expansion is accelerating. The series illustrates the nature of science by tracing the process of discovery from the confirmation of Einstein's theory of gravity, to Hubble's evidence for the expanding universe, to the detection of the microwave background, and finally to the discovery of dark energy. The series includes six posters, each resembling the front page of a newspaper from a particular time in this history with articles describing the discoveries. Each poster is accompanied by an online teacher guide and 4-5 downloadable, inquiry-based lessons. Downloadable newsletter versions of the poster are available for individual student use, with three editions for different reading levels (Early Edition for 7-8 grade readers, Home Edition for 9-10 grade readers, and Late Edition for 11-12 grade readers). Lesson plans can be found by following the link from Teacher Resources to Curriculum Tools to Sortable Table of the Lessons. (View Less)