What is the biggest ocean in the world?

What is the second biggest ocean in the world?

What ocean surrounds Indonesia?

What kind of ocean habitat that is formed by coral polyps?

What is tide?

What equipment that helps a scuba diver to breathe underwater?

What equipment that helps a scuba diver to stay warm?

What equipment that helps a scuba diver to move or float under the water?

Which of the following activities uses the sense of hearing?

What kind of language helps a deaf person to communicate with others?

Which one of the following that is NOT a part of our hearing system?

How does the process of sound takes through the ear in the right order?

Which string do you think will make the high pitch sound?

What is the name of this musical instrument?

What sound does it produce when we hit the first pink metal key?

This fish named angler fish. In what ocean zone does this fish live?

This fish named whale. In what ocean zone does this fish live?

Ocean moves in these three ways, except..

This is a high peak of land that is underwater. It is called ...

This is a picture of a deepest narrow valley in the Pacific Ocean. It is known as ...

It is a land that slopes into the water. It is also a place where ocean plants live. It is called...