Genetics is often a fascinating but difficult subject for middle level students. They can see the results of genes in every organism, but trying to visualize what happens at the level of genes is challenging for concrete thinkers. The author discusses an approach that helps students understand how genotypes can translate into phenotypes, then…

The nature of science is a vital part of students' educational experience. It includes understanding what science is and how it works, in accordance with Content Standard G of the "National Science Education Standards" (NRC 1996). Effective science instruction requires incorporation of science content, science processes, and the nature of science.…