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Volcanoes & EarthQ

Fabi's First Science Quiz in 4th Grade

QuestionAnswer
Name 2 facts about a shield volcano Erupts quietly with lava that flows gently like a fountain Runny Lava that spreads out to form a wide flat volcanoe
Name 3 facts about a composite volcano 1. Lava is sticky and does not flow before gets hard (solidifies) 2. Tall and pointed 3. Flat toward the base steep toward the top 4. Formed from alternating eruptions from lava an ash
Name 4 facts about Cinder Cone Volcanoes 1. Smallest volcano 2.Tend to be very explosive 3. Lava hardens in the air and falls as fragments called cinders 4.If the eruptions contains thick magma the gas pressure shatters the rock within the volcano into small pieces
What is Seismology the study of earthquakes and seismic waves that move through and around the earth
What is a Siesmologist? a SCIENTIST that studies earthquakes and seismic waves
What is a seismic wave? the waves of energy caused by the sudden breaking of rock within the rock or an explosion. They are the ENERGY that travels through the earth and is recorded on seismographs
What is a "P" wave? A primary wave--fastest kind of seismic wave Travels through solids and fluids First to arrive at a seismic station push pull movement
What is an "S" wave? Secondary wave--slower than a P wave Can only move through solid rock Side to side motion
What are Love Waves? names after A.E.H Love in 1911 fastest surface waves that moves the ground from side to side (Horizontal) Confined to the surface of the crust
What are Rayleigh waves? named for John Willimam Strutt, Lord Rayleigh, in 1885. a Rayleigh wave rolls through the ground like a wave on an ocean. Because it rolls it moves up and down
Name 2 differences between an S wave and a P wave? 1, P waves have a push pull while S waves have a sided to side motion 2. P waves go through liquid and solids while S waves go through solids 3. P waves are quicker than S waves
What is the fastest surface wave? Love waves
Name 2 differences between Cinder Cone volcanoes and Composite Volcanoes 1. A composite is tall and pointed while Cincer cone is small 2. Cinder cones are explosive and composite volcanoes have sticky solid lava
Which volcano flows gently like a foundain? Shield volcano
Created by: Fabifabulous
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