Natural Hazards

What is a catastrophic event?

• A minor weather change

• A regular seasonal change

• Extreme weather events like floods, hurricanes, and tornadoes

• A small earthquake

What is an internal process?

• A process that takes place on the surface of the Earth

• A process that takes place within the interior of the Earth

• A process that involves atmospheric changes

• A process that involves ocean currents

What is a surface process?

• A process that takes place within the interior of the Earth

• A process that takes place on the surface of the Earth

• A process that involves atmospheric changes

• A process that involves ocean currents

What is a flood?

• A decrease in water levels

• A rising body of water that submerges normally dry land

• A small stream of water

• A temporary puddle

What is a flash flood?

• A slow increase in water levels

• Flooding that occurs quickly and without warning

• A seasonal rise in river levels

• A controlled release of water from a dam

What is landslide/mass wasting?

• The upward movement of soil

• The downward movement of rock or debris from a mountain or hill

• The formation of new mountains

• The slow erosion of a riverbank

What is a volcanic eruption?

• The cooling of lava

• The event in which molten rock spews out from the mantle to the surface

• The formation of a new volcano

• The slow movement of tectonic plates

What is a hurricane?

• A gentle breeze

• An intense storm that forms over warm ocean water with swirling winds

• A small rain shower

• A mild thunderstorm

What is a tornado?

• A gentle breeze

• A spinning column of air with high wind speeds

• A small dust devil

• A light rain shower

What is a wildfire?

• A small controlled fire

• A large fire that spreads quickly and destroys forests, grasslands, and other areas

• A fire used for cooking

• A fire that only occurs in urban areas