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Prokaryotes and Eukaryotes Worksheet

Explore the basic differences between prokaryotic and eukaryotic cells with this engaging science worksheet for 3rd graders.

Grade 3 Science BiologyProkaryotes and Eukaryotes
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3 Text2 Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

NGSS.3-LS1-1

Topics

sciencebiologycellsprokaryoteeukaryotegrade 3
11 sections · Free to use · Printable
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Prokaryotes and Eukaryotes

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Read each question carefully and answer to the best of your ability.

Did you know that all living things are made of tiny building blocks called cells? There are two main types of cells: prokaryotic cells and eukaryotic cells. Let's learn about them!

1. What are the tiny building blocks that all living things are made of?

a

Rocks

b

Cells

c

Water

d

Clouds

2. There are two main types of cells:   cells and   cells.

Prokaryotic cells are very simple and small. They do NOT have a nucleus. Bacteria are an example of prokaryotic cells.

Bacterial Cell Diagram

3. Which type of cell does NOT have a nucleus?

a

Eukaryotic cells

b

Prokaryotic cells

c

Plant cells

d

Animal cells

Eukaryotic cells are more complex and larger. They DO have a nucleus. Plant cells, animal cells, and human cells are all eukaryotic.

Animal Cell Diagram

4. Human cells are prokaryotic cells.

T

True

F

False

5. Name one difference between prokaryotic and eukaryotic cells.

Use the words below to complete the sentences.

nucleus
bacteria
larger

6. Prokaryotic cells are very simple and do not have a  .

7. Eukaryotic cells are generally   than prokaryotic cells.

8. An example of a prokaryotic cell is  .