8th Science Final Test
Quiz by Bill Wininger
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77 questions
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- Q1The primary plant food element that stimulates the growth of stems and leaves is ________?phosphoruspotassiumnitrogencalcium30s
- Q2The most abundant element in the earth's crust is ___________.ironaluminumnitrogenoxygen30s
- Q3The idea that the earth's curst consists of huge plates that slowly drift over the earth's surface is the theory of _________________.slow driftplate tectonicspangeaelastic rebound30s
- Q4The three major layers of the earth, based on composition are the crust, mantle, and _________.densityendcentercore30s
- Q5A type of fold in which the rock layers buckle upward into an archlike structure is an ___________.anticlinesincline30s
- Q6the area where the upper mantle and lower mantle merge is the _____________zone.transitionsplashplastic rockmoho30s
- Q7The deposits of sand, mineral fragments, and organic material that cover most of Earth's surface are _____________.loamfragmentssedimentshumus30s
- Q8What is a bowl-shaped hollow formed by the collapse of an underground magma chamber?lava tunnelventconecaldera30s
- Q9What is the most abundant element in the earth's crust?siliconironoxygencarbon30s
- Q10How do scientists determine the point where an earthquake begins?measuring travel time of seismic wavescomparing damage in different areascalculating the amount of energy releasedestimating the duration of the earthquake30s
- Q11Which of the following is most likely to cause a volcanic eruption to be violent?peak covered in snowlarge amount of dissolved gaslocation near the sealow-viscosity magma30s
- Q12What is the area between the upper mantle and the lower mantle?Lithotransition zoneGutenberg discontinuityMoho30s
- Q13What is lava in water solidified almost instantly, forming rounded structurespahoehoelapillipillow lavaaa30s
- Q14consists primarily of erupted volcanic ash and rock fragments held loosely togethercinder-cone volcanocomposite volcanoshield volcanoextinct volcanodormant volcano30s
- Q15Any soil material primarily derived from living organismsbedrockorganichumussubsoil30s