Earthquakes
Ground shaking caused by movement along faults in Earth’s crust.
What is an earthquake?
An opening in Earth’s crust where molten rock, ash, and gases escape.
What is a volcano?
A rapidly rotating column of air that touches the ground.
What is a tornado?
A large tropical storm that forms over warm ocean water.
What is a hurricane?
A sudden flood caused by heavy rain in a short amount of time.
What is a flash flood?
Most earthquakes happen along these areas where tectonic plates meet.
What are plate boundaries?
Molten rock that flows on Earth’s surface during an eruption.
What is lava?
The scale used to measure tornado strength based on damage.
What is the Enhanced Fujita (EF) Scale?
Hurricanes form only over ocean water that is this temperature.
What is warm?
A sudden movement of rock, earth, or debris down a slope is called this.
What is a landslide?
A break in Earth’s crust where rocks move during an earthquake.
What is a fault?
The large belt of volcanoes that surrounds the Pacific Ocean.
What is the Ring of Fire?
The region of the United States where most tornadoes occur.
What is Tornado Alley?
The Saffir-Simpson Hurricane Scale, used to classify hurricanes ranges on a scale of Category 1 to Category ___________.
What is five?
This phenomenon occurs when a sudden undersea earthquake displaces a huge amount of water, creating waves that can travel across oceans.
What is a tsunami?
The point on Earth’s surface directly above where an earthquake starts.
What is the epicenter?
Volcanoes commonly form at convergent boundaries when one plate moves under another in this process.
What is subduction?
The strongest tornado rating on the EF scale.
What is EF–5?
Hurricanes that form in the western Pacific Ocean are known by this other name.
What are typhoons.
The scale that measures the intensity of earthquakes is named after this Italian scientist.
What is the Mercalli or Richter scale?
When loose, wet soil shakes and behaves like a liquid during an earthquake.
What is liquefaction?
Volcanoes that form away from plate boundaries form over __________ in the mantle.
What are hot spots?
This rotating column of air forms inside a thunderstorm before touching the ground.
What is a funnel cloud?
This calm area is found at the center of a hurricane.
What is the eye?
The point inside Earth where an earthquake originates is called this.
What is the focus (or hypocenter)?