How does the tide work?

This term for our inquiry we are learning about space.  We have recently been focusing on the moon, Night and day and Tides.  There will be many more things to learn but we have just started with a few.  This is  a task that we did this week and I have completed it.  So as you can see this explanation is mostly talking about the tides.  Before we did this we watched a video.  It was really diffucult to understand because it wasn't really loud and there was a lot of scientific words which made it more confusing to understand.  But after Ms Fepuleai gave us this explanation writing I started to understand the lesson.

Here are some keywords from this writing: 

Centrifugal Force

Gravatational

The surface of the earth

Tides

Rotation

Buldge

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TIDAL PHENOMENON

What is a Tide?

A tide is not just the rise  and fall of the ocean water.  Tide is the movement of water caused by complex interactions between the Gravitational and Rotational forces of the Earth, Moon and Sun.

The combined force cause the oceans to bulge out in the direction of the Moon.  As the Earth rotates around its axis , the bulge is directly in line with the moon .  The Earth rotates a few times faster than the bulge, therefore the solid Earth moves towards the water bulge.  

Observing the tide from Earth, you might think that the water goes to the Earth’s surface.  When in fact it’s the Earth’s surface that meets the water bulge.

Now you know what tides are and how they occur.