An Overview of the Oceans

This is a type of technology that uses sound waves to project at an object and then calculates how long it takes for the wave to bounce back in to a distance.

These vessels can be operated remotely, or can carry scientists to the deepest parts of the ocean.

What two things may not have been discovered without the use of submersibles?

True or False: The salinity of the oceans in the past was much higher than it is today.

Where did the water in the oceans come from?

How much of the Earth's water is in the oceans?

Approximately how much of the Earth's surface is covered in water?

This is the largest ocean and contains roughly half of the World's sea water.

This ocean is the second largest and flows between the Americas and Africa

What is one component of the ocean which allows it to absorb large amounts of CO₂ from the atmosphere?