HURRICANES
VOLCANOES
EARTHQUAKES
100
What is a hurricane?
A large rotating storm with high speed winds in tropical areas.
100
What is a volcano?
A volcano is a rupture in the crust of the Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
100
What is an earthquake?
A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
200
What is the eye of the hurricane?
The middle of the hurricane.
200
How hot is lava?
Very hot!! Approximately 1300 to 2900 degrees Fahrenheit.
200
What is the name of the top level of the Earth?
Crust
300
Where do hurricanes form?
Over warm ocean water.
300
Where do most volcanoes on Earth occur?
On the ocean floor.
300
What is the epicenter of an earthquake?
The point on the earth's surface vertically above the focus of an earthquake.
400
Hurricanes are classified into how many categories?
5
400
What is the difference between magma and lava?
Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface of our planet through a volcano vent.
400
What is the name of the most commonly used earthquake magnitude scale?
The magnitude of an earthquake is often determined with the Richter scale. It is named after Charles Richter, who developed this scale in the 1930's.
500
The heavy waves of a hurricane are called ______.
Storm surges
500
What is the Ring of Fire?
A string of underwater volcanoes and earthquake sites around the edges of the Pacific Ocean.
500
While an earthquake is taking place you should____?
Drop, Cover, and Hold On.
