The Ocean Crossword

Solve clues about marine features and ocean vocabulary.

			C
		S	U	R	F
			R
	C	O	R	A	L
			E
P	L	A	N	K	T	O	N
	A		T		R
	G			R	E	E	F
	O				N
	O				C
	N				H

A	B	Y	S	S

T	I	D	E

K	E	L	P

Across

Breaking waves near the shore
Marine organism that builds tropical reefs
Tiny organisms that drift in the sea
Underwater ridge made of coral
The deepest part of the ocean
Rise and fall of ocean water
Large seaweed that forms underwater forests

Down

Continuous flow of water in the ocean
Shallow body of water separated from the sea
Deep, narrow valley on the ocean floor

About The Ocean

The ocean covers more than 70% of Earth's surface and contains 97% of the planet's water. It regulates global climate, produces much of our oxygen through phytoplankton, and supports an enormous diversity of life from coral reefs to deep-sea trenches.

The Ocean Vocabulary

This crossword tests ocean vocabulary through clues about marine environments, water movements, and ocean geography. Students connect descriptions like 'the regular rise and fall of sea level' to TIDE or 'underwater ridge built by tiny organisms' to REEF.

How to Use This Crossword in Class

After completing the crossword, have students create a layered ocean zones diagram, placing vocabulary words at the correct depth. Discuss how light, pressure, and temperature change as you go deeper. This visual activity brings ocean vocabulary to life.

Printable The Ocean Crossword Worksheet

Click the Print Worksheet button to print this the ocean crossword. The printable version includes the grid and clues, perfect for classroom handouts or homework.

Copy and Customize This Crossword

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