01
Li
Life Science · NGSS MS-LS1-1

Cells and Microscopic Life

Life Science Grade 6-8 NGSS MS-LS1-1

Learning objective

Students examine cells as the basic units of life and compare plant, animal, and single-celled organisms.

Specific learning objectives

  • Identify cells as the smallest unit of life.
  • Compare plant and animal cell structures.
  • Describe how a microscope reveals organisms invisible to the unaided eye.
  • Explain why all living things are made of one or more cells.

Big ideas in this unit

  • All living things are made of one or more cells.
  • Plant cells have chloroplasts and rigid cell walls; animal cells do not.
  • Microscopes let us study organisms invisible to the unaided eye.

Below you will find eight printable worksheets on Cells and Microscopic Life. Each printable opens on its own page with directions, ten student questions, and a one-click reveal teacher answer key.

All Cells and Microscopic Life printables

8 formats

How to teach Cells and Microscopic Life

Most teachers introduce Cells and Microscopic Life with a short demonstration or a picture-book read-aloud, then move into vocabulary work so students share a common language for the rest of the unit. The Vocabulary Match and Diagram Labeling printables on this page are designed for that opening day. From there, the Reading Passage and Short Answer printables give students a chance to think with their pencils — drawing, writing, and explaining what they noticed.

By the middle of the unit, students are ready for the Investigation Lab sheet. It scaffolds a hands-on activity using simple classroom materials and includes a structured place to record observations. Wrap the unit with the Quick Quiz, which mirrors the language and diagrams students have already practiced, so the assessment feels familiar rather than punishing.

Each printable is independent — pick what works for your class today rather than feeling boxed into a sequence.