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8th ScienceUnit2

8th grade Science Unit 2 SECTION 3 EARTHQUAKES AND VOLCANOES

QuestionAnswer
LIST AND LABEL THE 3 TYPES OF FAULTS AND THE STRESS ACTING ON THEM. Normal fault, Reverse fault, Strike slip fault
WHICH TYPE ARE THE SAN ANDREAS FAULT SYSTEMS LOCATED IN LOS ANGELES, CALIFORNIA? strike slip fault or transform boundary
SOME MOUNTAINS ARE STILL FORMING TODAY DUE TO THE INTERACTION OF 2 PLATES, WHY?`` The plates are constantly, if not very slowly, moving. In this case, 2 continental plates are colliding and pushing up the crust
WHAT TECTONIC PLATE DO WE LIVE ON? North American plate
WHERE IS THE ACTIVE CHAIN OF VOLCANOES LOCATED? (NAME AND AROUND WHAT PLATE) Ring of fire; it is located on the rim of the pacific plate
WHAT IS AN EARTHQUAKE AND WHY IS IT SO DANGEROUS? A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earths crust or volcanic action.
WHAT IS A P-WAVE? (Draw its movements on a separate piece of paper) A body wave that wave that moves with the direction of the wave
WHAT IS A S-WAVE? (Draw its movements on a separate piece of paper) A body wave that moves prependicular to the direction of the wave.
WHAT IS A SURFACE WAVE? (draw its movements on a separate piece of paper) Raleigh and Love waves a wave that travels along the surface comes after the P and S waves, usually more destructive with larger amplitudes and longer wavelengths.
RANK IN ORDER OF SPEED(fastest to slowest)P, S, Surface P-wave, S-wave, Surface wave
WHAT IS A SEISMOGRAPH? Instrument used to register earthquake waves and records the time that each arrives.
WHAT IS LIQUEFACTION? WHY IS IT DANGEROUS? Occurs when wet soil acts more like liquid during an earthquake; dangerous because it can catch you off guard and can cause buildings to sink and shift around.
WHAT ARE THE 3 TYPES OF VOLCANOES? Briefly draw and describe each on separate piece of paper, Shield Volcano, Cinder Cone Volcano, Composite Volcano.
Created by: asimien907