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Plankton Power!

Explore the fascinating world of plankton with this engaging worksheet for Grade 5 science students. Learn about phytoplankton, zooplankton, and their vital role in aquatic ecosystems.

Grade 5 Science BiologyPlankton
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Includes

TextMultiple ChoiceFill in the BlanksTrue / FalseShort Answer

Standards

5-LS2-15-ESS3-1

Topics

planktonsciencebiologymarine lifeecosystem
7 sections · Free to use · Printable
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Plankton Power!

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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.

Plankton are tiny organisms that float in the water, from oceans to lakes. Even though they are small, they are extremely important for all life on Earth!

Microscopic image of plankton

1. What does the word 'plankton' mean in Greek?

a

Swimmer

b

Drifter

c

Diver

d

Floater

2. Which type of plankton makes its own food using sunlight?

a

Zooplankton

b

Phytoplankton

c

Both a and b

d

Neither a nor b

3. The two main types of plankton are   and  .

4. Plankton are the base of the ocean's  , meaning many other animals depend on them for food.

5. Phytoplankton produce a lot of the   we breathe.

6. All plankton are plants.

T

True

F

False

7. Whales eat large amounts of plankton.

T

True

F

False

8. Explain why plankton are so important to ocean ecosystems.