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

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

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

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

Encourage students to take a deeper dive into the structure of plant cells in this middle grades life science worksheet!

Students research an ecosystem of their choice and create an ecosystem model in this life science worksheet for middle grades!

Students hone their understanding of the similarities and differences between animal cells and plant cells in this middle grades life science worksheet!

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

Explore how the fossil record is used to study the evolution of organisms in this engaging science worksheet for middle grades!

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

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

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!

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

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

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

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

Show what you know about the cell cycle with this mitosis matching worksheet!

This cool worksheet prompts young biologists to research the functions of cell organelles labeled in the diagram.

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!