Volcanoes
Hot liquid under the Earth's surface
Magma
The U.S. State that is most earthquake prone
Alaska/California
Where 80% of tsunamis happen
Pacific Ocean
The safest place to be during a tornado
Basement
Molten rock expelled from a volcano
Lava
Where on Earth most earthquakes occur
The ocean floor
True or False? The first tsunami wave is the strongest.
False
A tornado is a spinning column of _____.
Air and Wind
A volcano that has consistent activity
Active
A line on a rock surface or the ground that traces a geological fault
Fault line
The English translation of the Japanese word 'tsunami'
Harbor Wave
Tornadoes occur when a _____ front meets a _____ front.
Tornadoes occur when a cold front meets a warm front.
A volcano that is active but not erupting. In a way, it is "sleeping"
Dormant
How many earthquakes Southern California has a year
10,000
What a series of tsunami waves is called
Wave train
How many minutes a tornado lasts
10 minutes
Three types of volcanoes (100 each)
Cinder cones, composite, and shield
The name of the scale that measures earthquakes
Richter Scale
The movie made about the 2004 tsunami
The Impossible
The nickname for where most tornadoes occur
Tornado Alley
The layer of the earth that produces lava
Mantle
Earthquakes happen when the plates do one of these three things
Move apart; bump into each other; or slide under each other
The country hit by the infamous 2004 tsunami
Indonesia and Thailand
Twisters
The horseshoe shaped area of the Pacific Ocean where it holds 90% of all volcanoes
The Ring of Fire
The magnitude of the Valdivia Earthquake (the largest recorded earthquake)
9.5
The four U.S. states that are at the greatest risk for a tsunami (100 points each)
Hawaii, Alaska, Washington, Oregon, and California
Tornadoes occur most often in these four states (100 points each)
Texas, Oklahoma, Kansas, and Nebraska
Iowa and South Dakota
How volcanoes grow
Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. The lava cools. Over time as the volcano continues to erupt, it will get bigger and bigger.
The largest recorded earthquake
Valdivia Earthquake
An underwater earthquake or volcanic eruption
1,000 tornadoes
The volcano that buried Pompeii
Mt. Vesuvius
The underground focus point of an earthquake
Hypocenter
How high tsunami waves can get
100 feet high
The average speed of a tornado
30 miles per hour
What Roman god did the word "volcano" come from
Vulcan or God of Fire
The point on the earth's surface vertically above the focus of an earthquake
Epicenter
How fast tsunami waves can travel
500 mph or 800 km/h
The name of the scale that measures tornadoes
Fujita Scale