How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Learn how to analyze DNA with this informative exercise designed for middle-grade students!

Learn about biodiversity and its impact on an ecosystem’s stability with this informative middle-grade worksheet.

Reunite a family and their long-lost dog with the help of DNA testing in this middle-grade worksheet!