This is a short guide to using measurements to figure out who left that track in the snow. Downloads: Curriculum Details Subject Areas: Math, Science Grade Levels: 6-8, 9-12, K-5 Topics: Animals Great Lakes Literacy Principles: 5. The Great Lakes support a broad diversity of life and ecosystems.6. The Great Lakes and humans in their watersheds are inextricably interconnected. Published by rfeldbrugge | No comments Comments are closed here.