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EARTH SCIENCE
VOLCANOES AND EARTHQUAKES
12
Science
6th Grade
10/28/2011

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Cards

Term
CAUSES OF EARTHQUAKE
Definition
SUDDEN SHIFTING OF ROCK AS TECTONIC PLATES SHIFT POSITIONS
Term
WHAT CAUSES VOLCANOES
Definition
MAGMA FROM THE MANTLE EITHER FLOWS OR EXPLODES THROUGH THE CRUST
Term
HOW DO EARTHQUAKES CAUSE DAMAGE?
Definition
WHEN THE PRESSURE THAT BUILDS UP ALONG A FAULT IS SUDDENLY RELEASED
Term
WHAT IS THE FOCUS?
Definition
THE UNDERGROUND POINT WHERE THE EARTHQUAKE OCCURS.
Term
WHAT IS THE EPICENTER?
Definition
THE POINT ON EARTH'S SURFACE DIRECTLY OVER THE FOCUS.
Term
WHAT ARE "WAVES"?
Definition
ENERGY FROM THE EARTHQUAKE IS CARRIED BY WAVES. THE WAVES SPREADOUT FROM THE EPICENTER. SOME WAVES CAUSE THE GROUND TO MOVE UP AND DOWN OR IN A CIRCULAR MOTION.
Term
WHERE IS THE POSSIBILITY OF EARTHQUAKE DAMAGE MORE LIKELY TO OCCUR?
Definition
CLOSEST TO THE EPICENTER
Term
WHERE HAS ALL THE MAJOR EARTHQUAKES OCCURRED IN THE UNITED STATES?
Definition
CALIFORNIA AND ALASKA
Term
ON WHAT PLATE BOUNDARIES ARE CALIFORNIA AND ALASKA LOCATED IN?
Definition
THE PACIFIC PLATE AND NORTH AMERICAN PLATE
Term
WHAT IS THE MAGNITUDE OF AN EARTH QUAKE?
Definition
THE STRENGTH OF AN EARTHQUAKE. AN EARTHQUAKE MAGNITUDE SCALE IS A SERIES OF NUMBERS. THE NUMBER SHOWS THE TOTAL AMOUNT OF ENERGY RELEASED.
Term
WHAT IS THE RICHTER SCALE?
Definition
IT IS A SCALE THAT MEASURES THE MAGNITUDE OF AN EARTHQUAKE
Term
WHAT DETERMINES THE EFFECT AN EARTHQUAKE WILL HAVE?
Definition
THE EFFECT OF AN EARTHQUAKE DEPENDS ON MANY FACTORS, INCLUDING THE SIZE OF THE EARTHQAUKE, ITS DISTANCE FROM THE EPICENTER, THE KIND OF ROCK IN THE AREA, AND THE TYPES OF BUILDINGS THERE.
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