Erosion
What is erosion?
The breakdown and movment of land
What is Magma?
Hot, melted rock that is still underground, before it erupts.
Do earthquakes always cause volcanos?
No
What is a hurricane?
A huge, spinning storm that forms over warm ocean water and brings strong winds and heavy rain.
What is an avalanche?
A large mass of snow or earth that suddenly slides down the side of a mountain.
Can erosion make landforms?
Yes
What is the Ring of Fire?
This ring of many volcanoes and earthquakes circles the Pacific Ocean.
What is a tsunami?
A giant ocean wave, often caused by an earthquake under the sea.
What do scientists call the moment that a tornado touches the ground?
Touchdown
What is gravity?
This force pulls land downwards.
How can earthquakes cause erosion?
The faults push land, soil, or rocks to different locations.
What is a crater?
The bowl-shaped hole at the top of a volcano.
What are tectonic plates?
Earth's crust is broken into huge, moving pieces.
Which is worse, a hurricane or a tornado?
There is no right answer; depends what you are talking about. Hurricanes go longer, but tornadoes are unpredictable.
What type of weather triggers avalanches?
Heavy rainstorms
What type of erosion most likely makes potholes on Reisterstown Rd?
Frost or Ice Shattering
What is the name of the Roman city where a volcano, outside the Ring of Fire, erupted and buried the entire city?
Pompeii
What is an epicenter?
The spot on Earth's surface directly above where an earthquake begins underground.
What is a storm surge?
Ocean water pushed up onto land by a hurricane's strong winds.
Avalanches need a mountain with a slope. What angle should the slope be to generate an avalanche?
35 degrees
What is the difference between erosion and weathering?
Weathering wears away at rocks or land but doesn't move them.
What is an extinct volcano?
What is the name of the scale now accepted by scientists on the seismograph?
Richter scale or the Moment Magnitude Scale
How many minutes do scientists have, on average, to warn people of an impending tornado?
13 minutes
What was the most common suggestion in our class, when the class did the "Save-My-House-in-Slide-City-from-an-Avalanche" Brainstorm?
Sell the house and move somewhere else