Skip to main content

KiwiBee printable

Classify bacteria

Free printable Grade 6 science worksheet for "Classify bacteria" — practice microorganisms. No-prep, print or assign online.

Classify bacteria — free printable Middle School Science worksheetFree account required to download

This middle-school Life Science worksheet challenges students to classify bacteria by shape, structure, and habitat, building the taxonomic reasoning essential for understanding microbiology. Teachers can introduce it alongside a lesson on prokaryotes to help students organize new vocabulary and distinguish bacterial groups with confidence. Classifying microorganisms lays the groundwork for understanding infectious disease, beneficial bacteria, and broader ecosystem roles.

Science
Life Science
Middle School
Worksheets
Ages 11–14
hard

Learning objectives

  • Classify bacteria using shape, structure, and habitat as criteria
  • Distinguish between major bacterial groups using scientific vocabulary
  • Explain how bacterial classification connects to their ecological roles

Answer Key

Answer key for Classify bacteria — free printable Science worksheet

How to use this worksheet

  1. Select “Sign in to download free”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Likes & comments

See what other teachers think and share a helpful note.

Likes are loading. This control will be available when loading finishes.
Loading likes and comments…

Create more worksheets in our Worksheet Studio

Generate fresh worksheets for any grade, topic, and language — free.

Open the Worksheet Studio

Related worksheets

Classify fungi

Classify fungi

Worksheets
hard
Ages 11–14
Identify bacteria

Identify bacteria

Worksheets
hard
Ages 11–14
Identify fungi

Identify fungi

Worksheets
hard
Ages 11–14
Identify microorganism roles

Identify microorganism roles

Worksheets
hard
Ages 11–14
Classify microorganism roles

Classify microorganism roles

Worksheets
hard
Ages 11–14
Compare observations of bacteria and describe the pattern you notice

Compare observations of bacteria and describe the pattern you notice

Worksheets
hard
Ages 11–14
Compare observations of protists and describe the pattern you notice

Compare observations of protists and describe the pattern you notice

Worksheets
hard
Ages 11–14
Identify protists

Identify protists

Worksheets
hard
Ages 11–14