eli5: Why is water clear in small amount but blue in large amount like an ocean?

Question

I thought it might be the reflection from the sky but if that was the case, why does the ocean appears more blue the deeper you go?

In: 2918

Answer 1

You should check out [this video.](https://www.youtube.com/watch?v=1APOxsp1VFw) It is also important to remember that we don’t actually “see” the world. Our eyes absorb a small portion of the information available to them and our brain construct a model of the world that is helpful for people.