volcano
earthquake
hurricane
tornado
tectonic plates
100

how are volcanos formed

volcanos are formed when their is a opening in the earths crust which releases melted rock and gasses

100

how are earthquakes formed

earthquakes are formed when tectonic plates brush against each other it causes huge force which creates a earthquake

100

what are hurricanes

hurricanes are tropical storms that form above water

100

what is a tornado

a tornado is a violent rotating column of air extending from a thunderstorm to the ground

200

what is a volcano

a volcano is a mountain that opens to a pool of molten rock below the earths surface

200

what are earthquakes

earthquakes are when the earth shakes rolls or has a sudden shock

200

how long do hurricanes last

hurricanes last about a week

200

what continent is most common for tornados

canada and the usa

300

how long do earthquakes last normally

earthquakes last normally about one minute

300

how big can hurricanes get

hurricanes can get up to the size of 1000 km

300

what environment are tornados formed in

tornados are formed in humid and hot environments

400

how are hurricanes formed

hurricanes are formed when wind collide pushing win upward over a warm ocean 

400

how are tornados formed

tornados are formed when humid air rises and colder air rushes underneath it.

400

what happens when tectonic plates slide above and below one another 

when tectonic plates slide above and below one another they cause mountains to form

500

what is a storm surge

a storm surge is when the water rises from pressure changes and wind form storms

500

how are tornados measured 

tornados are measured using the fajita scale which finds the intensity of a tornado form a gale tornado with winds of 64 - 112 km up to a incredible tornado with winds reaching form 420 - 511

500

what is the theory of plate tectonics

the theory of plate tectonics is Pangaea when all the continents where together 

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