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Worksheets25.3 - Earth's Interior (15pts.)
Total questions: 11
Worksheet time: 8mins
A seismic wave boundary marking an abrupt change in rock density is __.
Divergent boundary
Convergent boundary
Transform boundary
Discontinuity
The __ is a plastic-like layer upon which Earth's lithospheric plates move.
asthenosphere
lower mantle
lithosphere
outer core
A __ zone is a "dead zone" between 105 and 140 degrees from an earthquake's epicenter, where nothing is recorded on a seismograph.
wave
seismic
shadow
dark
Why do scientists speculate the inner core is composed of iron and nickel?
The densest materials settled toward the core.
Iron and Nickel are the most abundant elements on the Earth.
It is impossible to speculate the core's composition.
Iron and Nickel are only stable under high temperature pressure environments.
The outer core of Earth is __.
silicate
gaseous
solid
liquid
Which occurs when a change in speed causes a wave
to bend and change direction?
Reflection
Referendum
Refraction
Reformation
According to the Image, which layer is directly on top of the Asthenosphere?
Upper Mantle
Lithosphere
Oceanic Crust
Inner Core
Reorder the following from OUTERMOST (Left) to INNERMOST (Right)
Crust
Lithosphere
Asthenosphere
Lower Mantle
Outer Core
Click on the 1. NAME and 2. PICTURE of Earth that is solid metal. [click on 1 word and 1 picture]
True or False: Earthquakes can help scientists understand Earth's Interior
True
False
Earth's Inner core is solid because of the extreme ______ at the center of the Earth.
Thermal Energy
Heat
Convection
Pressure
