Explore this free learning guide from STEM Scholars Hub to help students understand cells, cell theory, plant and animal cells, and basic microscope skills. This article explains the fundamental ideas of life science, including how cells function as the basic units of life, how scientists developed Cell Theory, and how plant and animal cells compare based on their structures and organelles.

Students will also learn how microscopes help us observe cell structures and how cells work together to form tissues, organs, and organ systems. This resource supports middle school life science instruction and reinforces essential Florida benchmarks SC.7.L.14.1 and SC.6.L.14.1.

Perfect for class discussions, homework support, science projects, enrichment activities, or independent learning at home. Teachers can use this guide to introduce lessons, review key concepts, or strengthen student understanding of cells and cell systems.

A full lesson presentation, investigation activities, and worksheets for this topic are available in the Video/PPT Resources and Printable Worksheets sections of this website.