Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

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!

Introduce students to the ecological benefits of terracing with this middle grades science worksheet!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

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

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

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

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

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

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

Learn about the effects of a real-life disease on marine ecosystems in this informative worksheet!

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