Physical Layers Question Preview (ID: 59440)
Grades 6-8
Earth Science.
TEACHERS: click here for quick copy question ID numbers.
The ___ layering system is based on composition - meaning what substances each layer is made of.
a) chemical
b) physical
c) mechanical
d) properties
The ___ layering system is based on properties - meaning how the materials in each layer behave (ex: states of matter).
a) physical
b) chemical
c) compositional
d) properties
The ___ is the PHYSICAL layer of solid, brittle rock that breaks and cracks easily.
a) lithosphere
b) asthenosphere
c) mesosphere
d) crust
The ___ is the PHYSICAL layer of semi-solid, taffy-like, soft weak rock that flows very slowly.
a) asthenosphere
b) lithosphere
c) mesosphere
d) mantle
The ___ is the PHYSICAL layer of solid, strong rock.
a) mesosphere
b) lithosphere
c) asthenosphere
d) mantle
The ___ is the PHYSICAL layer of melted, liquid metal.
a) outer core
b) inner core
c) core
d) mesosphere
The ___ is the PHYSICAL layer that is a ball of solid metal.
a) inner core
b) outer core
c) core
d) mesosphere
Which of the following shows the physical layers in order - beginning from the surface?
a) lithosphere asthenosphere mesosphere outer core inner core
b) crust mantle core
c) lithosphere asthenosphere mesosphere inner core outer core
d) inner core outer core mesosphere asthenosphere lithosphere
Scientists know about Earth's physical layers by studying ___.
a) earthquake waves
b) pieces of rock
c) holes drilled deep into Earth
d) x-rays taken of Earth
The motion of the liquid metal outer core around the solid metal inner core generates Earth's ___.
a) magnetic field
b) gravity
c) internal heat / high temperatures
d) ocean waves
The rock in the lithosphere is a ___.
a) solid
b) semi-solid
c) liquid
d) gas
The rock in the asthenosphere is a ___.
a) semi-solid
b) solid
c) liquid
d) gas
The metal in the outer core is a ___.
a) liquid
b) semi-solid
c) solid
d) gas
The metal in the inner core is a ___.
a) solid
b) semi-soild
c) liquid
d) gas
___ crust is the thinner, heavier type of crust that makes up the seafloor.
a) oceanic
b) continental
c) sea
d) basin
___ crust is the thicker, lightweight type of crust that makes up the land.
a) continental
b) oceanic
c) mountain
d) land
Earth's magnetic field protects our ___ from the Sun's solar wind.
a) atmosphere
b) hydrosphere
c) geosphere
d) cryosphere
A tectonic plate is a HUGE piece of the ___.
a) lithosphere
b) asthenosphere
c) crust
d) mesosphere
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