Ocean Flash Cards

Learn ocean features and terms with their descriptions.

Free ocean flash cards with 10 terms and definitions. Flip through each card to study, or shuffle for a new order. Printable for classroom or homework use.

Ocean Terms and Definitions

CORAL
Marine organism that builds tropical reefs
TIDE
Regular rise and fall of sea level
TRENCH
Deep, narrow valley on the ocean floor
CURRENT
Continuous flow of water in the ocean
REEF
Underwater ridge built by living organisms
KELP
Large seaweed forming underwater forests
PLANKTON
Tiny organisms that drift in the sea
LAGOON
Shallow body of water near the coast
TSUNAMI
Massive wave caused by underwater earthquakes
ESTUARY
Where a river meets the ocean

About Ocean

The ocean covers over 70% of Earth's surface and contains some of the most diverse ecosystems on the planet. These flash cards help students understand ocean geography, features, and phenomena, from tides and currents to coral reefs and deep-sea trenches.

Ocean Vocabulary

These flash cards pair ocean terms with their descriptions. Students flip cards to learn terms like CORAL (marine organisms that build tropical reefs), TIDE (the regular rise and fall of sea level), and TRENCH (a deep, narrow valley on the ocean floor).

How to Use These Flash Cards in Class

After studying with these flash cards, have students create a layered ocean zones diagram, placing vocabulary terms at the correct depth. Discuss how light, pressure, and temperature change with depth. This visual activity brings ocean vocabulary to life.

Printable Ocean Flash Cards

Click the print button to print these ocean flash cards. The printable version lists all terms and definitions, perfect for classroom handouts or homework.

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