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Physical Layers
Test Description: Grades 6-8 Earth Science
Instructions: Answer all questions to get your test result.
1) The ___ layering system is based on composition - meaning what substances each layer is made of.
A
physical
B
chemical
C
mechanical
D
properties
2) The ___ layering system is based on properties - meaning how the materials in each layer behave (ex: states of matter).
A
chemical
B
compositional
C
properties
D
physical
3) The ___ is the PHYSICAL layer of solid, brittle rock that breaks and cracks easily.
A
crust
B
lithosphere
C
asthenosphere
D
mesosphere
4) The ___ is the PHYSICAL layer of semi-solid, taffy-like, soft weak rock that flows very slowly.
A
lithosphere
B
asthenosphere
C
mesosphere
D
mantle
5) The ___ is the PHYSICAL layer of solid, strong rock.
A
asthenosphere
B
mantle
C
mesosphere
D
lithosphere
6) The ___ is the PHYSICAL layer of melted, liquid metal.
A
inner core
B
outer core
C
core
D
mesosphere
7) The ___ is the PHYSICAL layer that is a ball of solid metal.
A
inner core
B
core
C
outer core
D
mesosphere
8) Which of the following shows the physical layers in order - beginning from the surface?
A
lithosphere asthenosphere mesosphere outer core inner core
B
lithosphere asthenosphere mesosphere inner core outer core
C
crust mantle core
D
inner core outer core mesosphere asthenosphere lithosphere
9) Scientists know about Earth's physical layers by studying ___.
A
pieces of rock
B
earthquake waves
C
holes drilled deep into Earth
D
x-rays taken of Earth
10) 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
11) The rock in the lithosphere is a ___.
A
gas
B
liquid
C
solid
D
semi-solid
12) The rock in the asthenosphere is a ___.
A
liquid
B
semi-solid
C
solid
D
gas
13) The metal in the outer core is a ___.
A
liquid
B
semi-solid
C
solid
D
gas
14) The metal in the inner core is a ___.
A
liquid
B
solid
C
gas
D
semi-soild
15) ___ crust is the thinner, heavier type of crust that makes up the seafloor.
A
basin
B
sea
C
oceanic
D
continental
16) ___ crust is the thicker, lightweight type of crust that makes up the land.
A
oceanic
B
land
C
mountain
D
continental
17) Earth's magnetic field protects our ___ from the Sun's solar wind.
A
cryosphere
B
hydrosphere
C
geosphere
D
atmosphere
18) A tectonic plate is a HUGE piece of the ___.
A
asthenosphere
B
mesosphere
C
lithosphere
D
crust
*select an answer for all questions
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