Another name for a tornado
What is a twister or a cyclone?
The 2 different kinds of avalanches
what is powder and slab avalanche?
The center of a hurricane
What is the eye?
Layers of the Earth
What is outer core, inner core, mantle, crust?
3 different ways that floods form
What is hurricanes, tsunamis, river overflow, ice melting, and broken dams?
The cause of a tornado
Warm air coming up from gulf of Mexico meeting cool air coming down from Canada
The cause of most avalanches
What is a skier?
Gives hurricanes more energy
What is ocean water
The cause of earthquakes
What is movement of tectonic plates?
Definition of a flood
What is an overflow of water on what is normally dry land?
How narrow or wide can a tornado be?
2 ft to 2 miles wide
A sloped land area is worn down two things
What is weathering and erosion?
Most important thing to do when a hurricane is approaching
What is evacuate and seek shelter
The name of the edge of tectonic plates?
What is plate boundaries?
The three different kinds of floods
What is slow onset, rapid onset and flash flood?
Life expectancy of a tornado
6 to 10 miles
Why does deforestation makes landslides more likely
Weakens root structure
Circulating winds of 39 mph or greater
What is tropical depression?
Where 90% of Earthquakes begin?
What is the ring of fire?
The most destructive river flood in the United States?
What is the great Mississippi river flood of 1927
5 out of the 6 states that 'tornado alley' goes through
South Dakota, Kansas, Nebraska, Oklahoma, Texas, Colorado
The speed an avalanche can go down a mountain
What is 150 kilometers per hour?
Wind speeds of a category 5 hurricane?
Tool that measures earthquakes
What is a seismograph?
An artificial wall that is designed to block water from going where it should not go
What is a levee?