What are the 4 main processes of the water cycle?
There are four main parts to the water cycle: Evaporation, Convection, Precipitation and Collection. Evaporation is when the sun heats up water in rivers or lakes or the ocean and turns it into vapour or steam. The water vapour or steam leaves the river, lake or ocean and goes into the air.
What is water cycle explain?
The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
What are the six stages of water cycle?
The water cycle describes the movement of water on the surface of the earth. Its a continuous process that includes six steps. They are evaporation, transpiration, condensation, precipitation, runoff, and percolation. Evaporation is the process of a liquid turning into gas or water vapor.
What is a tsunami Class 7?
A tsunami is a series of huge waves caused by the shifting of large amounts of ocean water. Tsunamis are also caused by volcanic eruptions and underwater landslides. The wave was the result of an earthquake with the epicentre close to Sumatra.
What is the first indication of tsunami?
One of the signs of a potential tsunami is the occurrence of a very large earthquake that lasts for more than 20 seconds. If an area has been shaken by a very large earthquake, one should be on alert that shorelines located within the radius of the earthquake’s epicentre, may be hit by a tsunami.
What is Tsunami very short answer?
A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
How does a tsunami look?
A large tsunami can flood low-lying coastal land over a mile from the coast. What does a tsunami look like when it reaches shore? Normally, a tsunami appears as a rapidly advancing or receding tide. In some cases, a wall of water or series of breaking waves may form.
Why tsunami is called killer wave?
Tsunamis — once slangily called tidal waves — are extremely powerful waves caused by large undersea disturbances. (“Tsunami” derives from Japanese for “harbor wave,” reflecting the fact that harbors can concentrate their energy.
How are tsunami created?
A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins.
What are 3 causes of a tsunami?
Tsunamis are caused by violent seafloor movement associated with earthquakes, landslides, lava entering the sea, seamount collapse, or meteorite impact. The most common cause is earthquakes. See the percentages on the right for the geological events that cause tsunamis.