Mary Colson is an eighth-grade Earth science teacher at Horizon Middle School, and Russ Colson is a professor of geology and Earth science education in the Department of Anthropology and Earth Science at Minnesota State University Moorhead, both in Moorhead, Minnesota. Since her first year in teaching eighth grade Earth science, in 1986,…

Studies evaluating the graphics in science textbooks have recommended that teachers use eye-catching visuals to reinforce student learning objectives. Similarly, the "Next Generation Science Standards" (NGSS Lead States 2013) suggest that science teachers use visuals to teach English Language Learners (ELLs). However, little research has…

The internet abounds with free science education applications. But, on their own, these applications have limited capacity to teach students curricular concepts or skills. The author integrated several free web-based applications into a broader pedagogical approach called T-GEM, in which the teacher guides student investigations. In this article,…