Volcanoes
Hurricanes
Tornadoes
Earthquakes
Other Natural Hazards
100

The hot, molten material that flows from a volcano.

What is lava?

100

This is thought to be "fuel" to hurricanes.

What is warm water?

100

The scale that measures tornado wind speeds.

What is the Fujita Scale?

100

A long crack in the surface of the earth where earthquakes are likely to occur.

What is a fault line?

100

A prolonged period of abnormally low rainfall.

What is a drought?

200

The ring that circles the Pacific Ocean where volcanic activity is common.

What is the Ring of Fire?

200

The center of a hurricane, where the weather is calm.

What is the eye of the hurricane?

200

The name of area in the central U.S. where tornado activity is elevated.

What is Tornado Alley?

200

The geologic process that causes earthquakes.

What is plate tectonics?

200

The most common cause of tsunamis.

What are earthquakes?

300

Along convergent plate boundaries, volcanoes form due to this process.

What is subduction?

300

A tropical cyclone in the Pacific Ocean.

What is a typhoon?

300

This tool is used to predict tornadoes.

What is doppler radar?

300

An estimated 90% of all earthquakes occur in this region.

What is The Ring of Fire?

300

This occurs when heavy rain or rapid snow melt loosens vulnerable parts of the landscape on steep slopes.

What is a landslide?

or

What is a mudslide?

400

This is the grandest and most destructive type of volcano.

What is a composite volcano? 

or 

What is a stratovolcano?

400

The scale that is used to rank hurricanes according to sustained wind speeds. (Response must include the full name in order to be considered correct.)

What is the Saffir-Simpson Hurricane Wind Scale?

400

This nation has the most tornadoes per year.

What is The United States?
400

In 2011, an underwater earthquake caused a tsunami that caused a nuclear disaster in this Japanese region.

What is Fukushima?

400

The speed that avalanches move.

What is 100mph?

500

The volcanoes of Hawaii were formed by these geologic locales.

What is a hot spot?

500

The minimum sustained wind speed a storm must have in order to be considered a hurricane. 

What is 74mph?
500

A tornado with wind speeds of 270mph would be ranked as this category. 

What is F5?

500

The scale that measures earthquakes based upon total energy released.

What is the moment magnitude scale?

500

The three most common causes of wildfires.

What are droughts, lightning, and human activity?

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