Science Midterm 3 Question Preview (ID: 22711)


Review For Science Midterm 6th Grade. TEACHERS: click here for quick copy question ID numbers.

The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called
a) S waves
b) P waves
c) surface waves
d) Mercalli waves

What is the correct order (starting from the surface) of Earth's layers?
a) crust, outer core, inner core, mantle
b) mantle, outer core, inner core, crust
c) crust, mantle, outer core, inner core
d) outer core, inner core, crust, mantle

Rock that forms from the cooling of magma below the surface or lava at the surface is called
a) sedimentary rock
b) metamorphic rock
c) igneous rock
d) coarse grained rock

Most of the work of mixing humus within the soil is done by
a) fungi
b) ants
c) earthworms
d) bacteria

In which soil layer would you find loam that is rich in humus
a) A horizon
b) B horizon
c) C horizon
d) bedrock

What is the hardest known mineral?
a) talc
b) quartz
c) diamond
d) gold

What is a fossil?
a) any dead organism
b) the perfect copy of a rock
c) an unusual type of rock
d) the preserved remains or traces of an organism

The point beneath Earth's surface where rock breaks under stress and triggers an earthquake is called the
a) syncline
b) footwall
c) epicenter
d) focus

A series of processes on Earth's surface and in the crust and mantle that slowly changes rocks from one kind to another is called
a) erosion
b) crystallization
c) the rock cycle
d) evaporation

Soil that is rich in humus has high
a) fertility
b) water content
c) sand content
d) clay content

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