Volcanoes
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
Hurricanes need _____ water to form
Warm
A tornado is a spinning column of _____.
Air and Wind
Hot liquid under the Earth's surface
Magma
The U.S. States that are most earthquake prone
Alaska/California
Where 80% of tsunamis happen
Pacific Ocean
The center of a hurricane
The Eye
The safest place to be during a tornado
Basement
A volcano that is active but not erupting. In a way, it is "sleeping"
Dormant
How many earthquakes does Southern California roughly have in a year?
Roughly 10,000
What a series of tsunami waves is called
Wave train
The U.S. state where most hurricanes occur
Florida
How many minutes a tornado lasts
10 minutes
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
The ocean where most hurricanes occur
Atlantic Ocean
Tornadoes occur when a _____ front meets a _____ front.
Tornadoes occur when a cold front meets a warm front.
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
Three other names for a hurricane (100 points each)
Cyclones, typhoons, and monsoon
Twisters
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
Hurricanes are __________ storms.
Tropical
The nickname for where most tornadoes occur
Tornado Alley
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
The name of the scale that measures hurricanes
Saffir-Simpson Hurricane Wind Scale
1,000 tornadoes
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
True or False? Hurricanes gain strength as they move inland.
False
Tornadoes occur most often in these four states (100 points each)
Texas, Oklahoma, Kansas, and Nebraska
Iowa and South Dakota
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
How hurricanes are named
The World Meteorological Organization (WMO) keeps six lists of 21 male and female names that are used in rotation, and recycled every six years. The names of the worst hurricanes are not repeated.
The name of the scale that measures tornadoes
Fujita Scale
The volcano that buried Pompeii
Mt. Vesuvius
The underground focus point of an earthquake
Hypocenter
How high tsunami waves can get
100 feet high
How fast the winds have to be for a storm to be a hurricane
74 mph
The average speed of a tornado
30 miles per hour