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Microorganisms Worksheet

Explore the world of microorganisms with this Grade 6 science worksheet, covering types, characteristics, and their impact.

Grade 6 Science BiologyMicroorganisms
Use This Worksheet

Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerImageMatching

Standards

MS-LS1-1MS-LS1-2

Topics

microorganismsbiologysciencebacteriavirusesfungi
8 sections · Free to use · Printable
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Microorganisms: The Unseen World

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability. Some questions may require you to recall information about different types of microorganisms and their roles.

1. Which of the following is NOT a type of microorganism?

a

Bacteria

b

Fungi

c

Plants

d

Viruses

2. Microorganisms are tiny living things that can only be seen with a  .

3. Some microorganisms are helpful, like the ones that help make   and  .

4. All bacteria are harmful to humans.

T

True

F

False

5. Describe one way microorganisms can be beneficial to the environment.

Observe the image of E. coli bacteria below.

E. coli bacteria

Match each microorganism with its description.

6. Bacteria

 

a. Can cause diseases like the flu

7. Virus

 

b. Single-celled organisms, some are helpful, some are harmful

8. Fungi

 

c. Includes yeasts and molds