Earthquake
What happens when the earth plates build pressure against one another?
EARTHQUAKES!
How many layers does earth have?
4
How are mountains and volcanoes formed?
Earthquakes! Whenever plates are pushed down, or pushed up
True or False: We feel every earthquake that happens.
False, most are so small we do not feel them.
How many earthquakes occur per year?
Several Million!
What is the boy staffs name who is here today?
Diego
Name the four layers of earth.
crust, mantle, outer core, inner core
What are huge cracks in the earths rocks called?
fault lines
True or False: Most Earthquakes are formed in the artic ocean.
False! 90% happen in the pacific ocean.
Do earthquakes happen in Nevada?
YES! Nevada experiences more earthquakes that most states in the U.S.
What are the edges of tectonic plates called?
plate boundaries
BONUS+ 200 points: How big was the largest earthquake ever?
9.5 in Chile
How many earthquakes a year are actually reported in the United States Geological Survey?
about 20
True or false: BONUS +200 points. An epicenter is where an earthquake occurs deep inside earths core.
What other natural disasters can earthquakes cause?
avalanches, tsunamis, land slides
What is the ring of fire?
a ring in the pacific ocean with a lot of earthquakes and volcanoes.
What is the skin of the earth called?
tectonic plates
How many major tectonic plates are there?
15
True or False: You don't really feel an earthquake if you are standing right on the center. You only feel it if you are a few miles away from the epicenter.
False. You feel it the most at an epicenter
What weather occurs when an earthquake happens? Rain, snow, fog, or other?
Other: Earthquakes don't cause weather, neither does certain weather increase chances of an earthquake.
How many volcanoes are in the ring of fire?
More that 450
What state has the most quakes?
ALASKA!
What tool is used to measure an earthquake?
a seismograph
True or false? You probably won't feel a 7.0 earthquake that is 10 miles away.
False, You will definitely feel a 7.0 quake if you are close enough.
BONUS: +100 Points
What are the three ways earths plates shift? What are they called?
subduction, lateral sliding, spreading