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.

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. 

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

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

Use gel electrophoresis to solve an ice cream mystery in this fun worksheet!

 

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

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

An animal cell is made up of many different organelles—color them all in this middle-grade worksheet! 

Bring a plant cell to life by coloring each organelle in this middle-grade worksheet!

Leap into learning about vernal pools and their importance for amphibian survival!