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Transcript
EARTH EDITION
Plate
Minerals Boundaries
Rock
Cycle
Miscellaneous
Rocks
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Which layer of the Earth is
bendable like thick tar?
What is the Astenosphere?
What is plate tectonics?
What is the thoery that the
pices of the Earth’s
lithosphere are in constant
motion?
What is a subduction zone?
What is the process which the
ocean floor sinks through a
deep-ocean trench and back
into the mantle?
What types of rocks make
up the oceanic and
continental crust?
Oceanic crust is made of
basalt and Continental crust is
made out of granite.
What is a convection
current and how does it
work inside the Earth?
A convection current is the flow that
transfers heat within a fluid In the earth’s
mantle the Asthenosphere flows. The heat
from the Earth’s core heats up the lower
Astenopshere. This material becomes less
dens that the material above it and it starts
to rise. Gravity pulls the older material down
towards the core. Because the lithosphere
and lower mantle are solid the
Asthenopshere continuously flows up and
down.
What is a rock?
A rock is a mixture of other
materials (other rocks, animal,
plant matter)?
What type of rock is formed
deep beneath the Earth’s
surface where there is a lof
of heat and pressure?
What is a metamorphic rock?
What are the three major
groups of rocks and why
are they grouped that way?
What are Sedimentary, Igneous, and
Metamorphic? They are group based
on how they are formed.
What are 4 things that need
to happen in order for
sedimentary rock to form?
What are…?
1. Erosion
2. Deposition
3. Compaction
4. Cementation
What is an extrusive rock?
An extrusive rock is formed
when lave erupts onto the
earths surface .
True or False. Minerals are
organic.
False, inorganic
What is streak?
The color of a mineral’s powder.
Name the six ways you can
identify a mineral
1.
2.
3.
4.
5.
6.
7.
8.
Hardness
Color
Streak
Luster
Density
Crystal Shape
Cleavage & fracture
Special Properties
What are the three ways
that minerals can be
formed?
1. Crystallization of melted
materials
2. Crystallization o materials
evaporated in water
3. Minerals formed by
evaporation
What are the five
characteristics of all
minerals?
1.
2.
3.
4.
Inorganic
Solid
Naturally occurring
Definite chemical
compound
5. Crystal Structure
What are the 3 types of
plate boundaries?
1.Convergent
2.Divergent
3.Transform
What is a sea spreading
floor?
What is the movement of
the ocean floor on both
sides of the mid-ocean
ridge as magma rises and
creates a new ocean floor?
What happens at a
transform boundary?
Continental crust slides past
continental crust?
Where can divergent
boundaries be found?
At the mid-ocean ridge and at
rift valleys
Name two things that can
happen at a convergent
boundaries? (Where two
plates come together)
1. Where two oceanic crust meet the
more dense crust will sink below
the less dense one at a subduction
zone.
2. Where oceanic and continental
crust meet the more dense oceanic
crust will sink below the less dense
continental crust
3. Where the continental crust and
continental crust meet, mountains
will form as the land is thrust
upwards.
How can metamorphic rock
change to sedimentary
rock?
Over time metamorphic
rocks can be lifted up when
continental crust collides
with other continental
crust. Mountains can form
here. Over time, the rock
can erode away, deposit
somewhere else, compact
and cement
What are 3 forces that can
change rock from one type
to another?
Heat, pressure, water, or
wind
Which type of rock came
first?
Igneous. This rock formed
all the ocean and
continental crust. From
there sedimentary and
metamorphic rocks could
form.
What type of rock would
you expect to find near the
mid-ocean ridge and near a
subduction zone? Why
would it be found there?
Igneous rock. At the mid-ocean
ridge magma rises to form new
ocean floor. At a subduction zone
the heat may melt some of the
rock and rise towards a weak spot
in the continental or oceanic
crust. At a subduction zone you
may also find metamorphic rock
because of heat and pressure.
How could sedimentary
rocks form near a
subduction zone?
Near a subduction zone of the ocean
floor could melt to form magma. This
magma could rise to a weak spot in
the continental or oceanic crust. A
volcano would form here. Over time
the igneous rock from the volcano can
erode away. The sediment can be
deposited somewhere else, compact
overtime and cement