Discover the World's Five Oceans

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• Geography
• Primary Education

Discover the World's Five Oceans

What do you already know about the five oceans?

Learning Objective

At the end of the lesson you will be able to name the five oceans, explain what an ocean is, and understand why oceans are important for life on Earth.

What is an Ocean?

An ocean is a very large area of salty water that covers much of the Earth's surface. Oceans are homes to many different living things.

The Five Oceans

There are five oceans on Earth. They are the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean, and the Arctic Ocean.

Oral Rehearsal: Ocean Names

Let's say together: Pacific, Atlantic, Indian, Southern, Arctic. Can you point to them on a globe?

What Does Marine Mean?

Marine means 'to do with the ocean'. If something is marine, it lives or happens in the sea.

Examples of Marine Life

Marine Plants

Seaweed, kelp, and tiny phytoplankton.

Dolphins, whales, sharks, fish, turtles, and jellyfish.

Marine Animals

Tiny But Mighty: Phytoplankton

Oceans as a Source of Food

Many people around the world eat fish like cod, tuna and prawns from the ocean.

Why Are Oceans Important?

Oceans help us breathe by making oxygen, give us food, and are home to many living things. They are very important for life on Earth.

Looking After Our Oceans

Oceans are being harmed by pollution, warming, and overfishing. We need to help protect them to keep Earth healthy.

Your Task

On your map, find and label the five oceans. Then answer: What are oceans and why are they important?

Write down 3 things you learned in this lesson.

Write down 2 things you want to know more about.

Ask 1 question about something you haven't quite understood yet.