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

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

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

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

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

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

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

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

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.

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. 

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!

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

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