8th Grade Science: Ch. 5 & 6 (Earthquakes & Volcanoes)
Quiz by Matt Sutherin
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38 questions
Show answers
- Q1Which type of seismic wave arrives first at a seismograph?S wavestsunamisP wavessurface waves30sEditDelete
- Q2What scale is used to measure the magnitude of an earthquake?Mercalli Intensity ScaleRichter ScaleTsunami ScaleIgneous Scale30sEditDelete
- Q3The point beneath Earth's surface where the crust breaks and triggers and earthquake is called the...focusfaultepicentermagnitude30sEditDelete
- Q4Which stress force pulls on the crust and stretches rock?shearingtensioncompressionliquefaction30sEditDelete
- Q5An area where magma melts through the crust in the middle of a plate is called a(n) ___________.geyserpipehot spotisland arc30sEditDelete
- Q6A volcano that is erupting or has shown signs that it may erupt in the future is called...activesleepingextinctdormant30sEditDelete
- Q7A __________ is a weak spot in the crust where magma comes through to the surface.faultgeyservolcanocaldera30sEditDelete
- Q8A break in the crust where slabs slip past each other is a(n)...foldhanging wallepicenterfault30sEditDelete
- Q9An instrument used to measure and record ground movements during an earthquake is called a(n)...anemometerspeedometerRichter ScaleSeismograph30sEditDelete
- Q10The type of stress force that produces a strike-slip fault is ____________.tensioncompressionliquefactionshearing30sEditDelete
- Q11What is the name of the largest intrusive igneous rock bodies that form from the cooling of a large magma chamber, and reach the surface after many years of erosion?BatholithsFaultSillsDikes30sEditDelete
- Q12The ___________________ is a rating system that measures intensity and damage caused by an earthquake.Richter ScaleSeismographMercalli Intensity Scale30sEditDelete
- Q13The point on Earth's surface directly above an earthquake's focus is called the ______________.faultlinenucleusepicenter30sEditDelete
- Q14Water displaced by an undersea earthquake may produce a __________________.monsoonearthquaketsunami30sEditDelete
- Q15Compression, tension, and shearing are three types of ____________________.tectonic formationsstessfault30sEditDelete
- Q16The molten mixture of rock-forming substances, gases, and water deep in Earth's mantle is called ________________.lithmagmalava30sEditDelete
- Q17The ___________________ is a belt of volcanoes around the rim of the Pacific Ocean.Cascade ArcMid-Ocean ArcRing of Fire30sEditDelete
- Q18What type of volcano is formed when an explosive eruption hurls ash, cinder, bombs, and gases out of a volcano?StratovolcanoeShield VolcanoCinder Cone30sEditDelete
- Q19A(n) ____________________ is a wide gently sloping mountain made of hardened layers of low silica lava.ShieldStratoCinder30sEditDelete
- Q20After a volcano has a violent eruption, the sides of the mountain may cave-in and form a large crater called a_______________.CinderCalderaCalderon30sEditDelete