
Identify bacteria
Free printable Grade 6 science worksheet for "Identify bacteria" — practice microorganisms. No-prep, print or assign online.
Sixth- through eighth-grade students identify bacteria in this Life Science worksheet, developing their ability to distinguish bacterial characteristics, types, and roles within the Microorganisms topic. Teachers can use it as a structured reading companion or post-lesson identifier that helps students organize what they know about prokaryotic life before exploring viral and fungal comparisons. Building accurate identification skills here prepares students for discussions on infection, immunity, and biotechnology.
Learning objectives
- Identify key characteristics that define bacteria as a group of microorganisms
- Distinguish bacteria from other microorganisms such as viruses and fungi
- Connect bacterial characteristics to their roles in health, disease, and ecosystems
Answer Key

How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify bacteria” worksheet free?
Yes. “Identify bacteria” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Microorganisms.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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