tornadoes
What is the other name for a tornado
A twister
What causes earthquakes
Two tectonic plates grinding one against the other.
Describe active, dormant and extinct
Actives have erupted in recent times, dormants haven’t erupted recently but could wake up and extincts will not erupt again.
Define a hurricane
A strong tropical storm with rotating winds
How are tornadoes measured
Using the EF scale
How are earthquakes measured
Using the MMS scale
What is the name of the volcanoes in the Philippines
The ring of fire
What is another name for a hurricane
Typhoon or cyclone
What is the peak time for a tornado
4 pm to 9pm
What are called the smaller vibrations that occur after an earthquake
Aftershocks
After what where volcanoes named
Vulcan, the Roman god of fire
What is the safest spot in a hurricane
The center, also called the eye.
What are tornadoes called before officially becoming a tornado
Mesocyclones
What are called the lines where tectonic plates touch
Faults
How are volcanoes created
Magma rises to the surface, causing gas to form. The gas then escapes slowly or builds up and explodes, creating a volcano
What part of the hurricane has the strongest winds
The eye wall just outside the eye
What states did the Tristate tornado pass through
Missouri Illinois and Indiana
On average, how many people are killed by earthquakes every year
10 000
Name four signs that a volcano will erupt soon
Small earthquakes, release of heat gas and ash, the ground swelling up and nearby water sources dry up
At what wind speed does a tropical storm officially becomes a hurricane
74 miles or 114 kilometres per hour