Students explore the mechanics of the respiratory system in this life science worksheet for middle school.

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

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

Use this life science worksheet to help middle school students boost their understanding of photosynthesis and how matter and energy cycle on Earth.

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.

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

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

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

Learn about the stages of mitosis with this helpful biology handout!

Use this engaging worksheet to introduce students to the geologic time scale and the pieces of evidence scientists use to determine Earth’s history!

Record your notes as you learn about the cell cycle with this one-page template!

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

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

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

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

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