It's Time for Science, and it's time to talk about cross cutting concepts and sense-making discussions! Tom talks with Dr. Samantha Messier and professional learning specialist Leslie Lausten about those deep fundamental ideas that span across all science disciplines and how to facilitate students making sense of the data they collect while engaging with phenomena and cross-cutting concepts.  Dr. Samantha Messier is a retired educator and biologist from Boulder, Colorado.  She served as Director of Standards and Instructional Support for the Colorado Department of Education and in multiple roles for the Boulder Valley School District, including Science Director and Assistant Superintendent for Instructional Services and Equity. Her Ph.D. research was on the evolutionary ecology and behavior of termites.  Tom begins the discussion with Dr. Me ...