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Ocean Exploration

A first-grade science worksheet exploring basic facts about oceans, marine life, and ocean conservation.

Grade 1 Science Earth & Space ScienceOceans
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerImageTrue / False

Standards

K-ESS2-2K-ESS3-11-LS1-2

Topics

oceansmarine lifeearth sciencegrade 1
8 sections · Free to use · Printable
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Ocean Exploration

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Read each question carefully and answer to the best of your ability. Have fun exploring the ocean!

1. What covers most of the Earth's surface?

a

Land

b

Oceans

c

Mountains

d

Deserts

2. What makes ocean water salty?

a

Sugar

b

Minerals and rocks

c

Dirt

d

Fish

Fill in the blanks with words about ocean life.

3. A large ocean animal that swims with fins is a  .

4. Tiny plants and animals that float in the ocean are called  .

5. Name two animals that live in the ocean.

6. All ocean animals can breathe air above the water.

T

True

F

False

7. The ocean is home to many different kinds of plants and animals.

T

True

F

False

8. What is one way we can help keep the ocean clean?