Ocean Facts

Our oceans cover more than ___% of the Earth’s surface.

• 50

• 60

• 70

• 80

Roughly ___% of the Earth’s living species exist within the oceans.

• 60

• 70

• 80

• 90

Less than ___% of the planet’s oceans have been explored.

• 5

• 10

• 15

• 20

Over ___% of our planet’s oxygen is produced by the ocean.

• 60

• 70

• 80

• 90

The ocean holds about ___% of all of Earth's water.

• 60

• 70

• 80

• 90

There are ___ oceans.

• 3

• 4

• 5

• 6

The largest ocean on Earth is the ___ Ocean.

• Pacific

• Atlantic

• Indian

• Artic

The deepest known area of the Earth’s oceans is known as the Mariana Trench. It’s deepest point measures ___km.

• 10

• 11

• 12

• 13