What percentage of the earth is covered by the oceans?
around 70%
On what layers of the ocean is there life?
On all levels of them!
What is the average depth of the ocean?
little over 2 miles deep
what are the 5 sections of the world ocean?
the Pacific, the Atlantic, the Indian, the Southern, and the Arctic Oceans
How many world oceans are there?
Only 1!
How many species of animals live in the ocean?
About one million.
What is the deepest part of the ocean?
The Mariana Trench in the Pacific Ocean, which is almost 7 miles deep!
What is the largest ocean?
The Pacific Ocean
which one is bigger, a sea or the ocean?
the ocean
What is the largest ocean animal?
The blue whale.
what are the three main layers of the ocean?
sunlight zone, twilight zone, and midnight zone
What is the smallest ocean?
The Arctic Ocean
Is ocean water salty?
Yes
What are coral reefs?
A type of ocean habitat.
What is the fourth layer of the ocean called?
The trenches
What is the warmest ocean?
The Indian Ocean
what is the relationship between the ocean and a sea?
A sea is a small area of an ocean.
Are coral reefs alive?
Yes!
What percentage of the ocean have we explored?
We’ve only explored about 5% of it!
What is the youngest ocean?
The Southern Ocean