Earthquakes and Tsunamis

 How do earthquake cause tsunami?

Most tsunami are caused by large earthquakes on the sea floor when slabs of rock move past each other suddenly, causing the overlying water to move. The resulting waves move away from the source of the earthquake event.

How are tidal waves different to tsunami?

Tsunami waves are very different from tidal waves. A tidal wave is by definition a wave caused by ocean tides, whereas a tsunami is almost always caused by an earthquake under water. A tidal wave is a regularly reoccurring shallow water wave caused by effects of the gravitational interactions between the Sun, Moon, and Earth on the ocean. The term "tidal wave" is often used to refer to tsunamis; however, this reference is incorrect as tsunamis have nothing to do with tides.

What do you see in the deep ocean?

This is the deep sea. Most are familiar with the surface layer, which extends down 650 feet (200 m) and receives the most sunlight, allowing photosynthetic organisms like phytoplankton to convert sunlight to energy. It is the home of pods of dolphins, schools of fish, and shoals of sharks.

experiment 

1.  0 - 1- 0 - 0 - 0.25

2.  1 - 2 - 1 - 3 - 1.75

3.  5 - 5 - 1 - 6 - 4.25

4.  9 - 7 - 2 - 4 - 5.5

5.  3 - 8 - 5 - 5 - 5.25