Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!

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

What do a raven, a bat, and a wolf have in common? Similar skeletal structures! In this Halloween worksheet, middle-grade students will explore homologous structures in different animals. 

Spot the saboteur by testing DNA in this exciting middle-grade worksheet!

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