G11-Earth Science Week 3 Lessons ( Important Minerals to Society & Ore Minerals)
Summary
TLDRThis Earth Science class for grade 11 students delves into the significance of minerals in society, covering their use in everyday life and their extraction and processing methods. The lesson highlights the importance of minerals in household items, dental health, construction, and power plants. It also explains the two primary mining methods: surface and underground mining, and the various techniques used, including open-pit, strip, and dredging. The video emphasizes the need for careful resource management to ensure sustainability for future generations, encouraging students to consider their role in preserving mineral resources.
Takeaways
- 📚 The class is for Grade 11 Earth Science students covering lessons five and six in week three.
- 📝 Students are encouraged to submit their outputs on time and participate in the group page and Google Classroom.
- 🏠 Lesson five discusses important minerals in society, highlighting their presence in everyday items like toothpaste, makeup, aluminum kitchenware, and copper wiring.
- 🦷 In dental health, tools made of iron and carbon are used, along with gypsum for casts and titanium for dental transplants.
- 🏗️ Construction materials include iron, steel, limestone, granite, marble, and glass, which are all derived from specific minerals.
- 🚗 Cars are made using minerals like nickel, copper, and various alloys, emphasizing the importance of minerals in manufacturing.
- ⚒️ Lesson six focuses on how minerals are found, mined, and processed for human use, starting with the definition of an ore.
- 🔨 There are two main mining methods: surface mining for easily accessible minerals and underground mining for deeper deposits.
- 💣 Mining techniques include open pit mining, strip mining, and dredging, each suited for different types of mineral deposits.
- 🧪 The mineral processing steps include sampling, analysis, crushing, grinding, concentration, and water treatment to extract valuable elements.
- 🌳 The script ends with a reflection on the importance of preserving mineral resources for future generations and the role of each individual in this effort.
Q & A
What are the main topics covered in the Earth Science class for Grade 11 in week three lessons five and six?
-The main topics covered in the Earth Science class for Grade 11 in week three lessons five and six are important minerals to society and energy resources, including their use in everyday life, dental health, construction, and power plants, as well as the process of how minerals are found, mined, and processed for human use.
What is an example of a mineral found in toothpaste?
-Fluorite is an example of a mineral found in toothpaste.
Which minerals are used in makeup products?
-Talc is the mineral commonly found in makeup products.
What are the main minerals used in the construction of a house?
-The main minerals used in the construction of a house include aluminum for kitchen materials, copper for wirings, iron and carbon in steel, limestone for concrete, and granite, marble, and quartz for flooring and glass.
What minerals are used in dentistry tools and dental transplants?
-In dentistry, tools comprise iron and carbon, casts comprise gypsum, and titanium is used in dental transplants.
What is an ore and why is it important?
-An ore is a natural occurrence of rock or sediment containing enough economically important elements or metals to be extracted for profit. It is important because it is the source of valuable minerals and metals used in various industries.
What are the two main methods of mining minerals?
-The two main methods of mining minerals are surface mining, which is used to extract minerals near the surface of the earth, and underground mining, which is used to extract minerals that are deeper below the surface.
Why is underground mining considered more dangerous than surface mining?
-Underground mining is considered more dangerous than surface mining because miners work in tunnels deep within the earth, making them susceptible to dangers such as cave-ins and the use of explosive devices, which can be hazardous in the event of an earthquake or other natural disasters.
What are the different types of surface mining mentioned in the script?
-The different types of surface mining mentioned in the script are open pit mining, strip mining, and dredging.
What is the primary step in processing minerals after mining?
-The primary step in processing minerals after mining is sampling, which involves the removal of a portion of the ore for analysis to determine the presence of valuable minerals or components.
What is the final step in the mineral processing sequence described in the script?
-The final step in the mineral processing sequence described in the script is water treatment, which involves filtration, sedimentation, and drying to separate valuable minerals from the suspension.
What is the message the teacher wants to convey to the students regarding the preservation of mineral resources?
-The teacher wants to convey that the preservation of mineral resources is crucial for future generations, and it requires a delicate balance of utilizing the resources for present needs while ensuring their availability for the future. The teacher encourages students to think of ways they can contribute to this preservation.
Outlines
🌏 Introduction to Earth Science and Mineral Importance
This paragraph introduces the Earth Science class for grade 11 learners, specifically focusing on lessons five and six in week three. The teacher welcomes students back and praises them for meeting deadlines for assignments. The lesson's main theme is the significance of minerals in society, with an emphasis on their presence in everyday household items like toothpaste, makeup, aluminum kitchenware, and copper wiring. The teacher also touches on the use of minerals in dental health, construction, and power plants, highlighting the role of minerals like fluorite, gypsum, and titanium. The paragraph concludes with an assessment task for students to complete, referencing page 11 of their module.
🏭 Understanding Mineral Processing and Mining Methods
The second paragraph delves into the extraction and processing of economically valuable minerals, known as ores. It explains that ores are rocks or sediments containing enough minerals to make mining profitable. The paragraph outlines two primary mining methods: surface mining, which extracts minerals close to the earth's surface without deep excavation, and underground mining, which is more common in the Philippines and involves deeper exploration. The teacher discusses the dangers of underground mining, especially during natural disasters like earthquakes. The paragraph also covers various types of surface mining, including open pit mining, strip mining, and dredging, each with its specific applications and environmental impacts.
🔬 Steps in Mineral Processing and the Call for Preservation
The final paragraph discusses the detailed steps involved in mineral processing, starting with sampling to represent the entire deposit for analysis. It emphasizes the importance of analyzing the chemical composition and particle size of the ore. The paragraph then describes the process of crushing and grinding the ore into a powder, followed by concentration to separate valuable minerals from the waste. The final step, watering, involves converting the concentrated minerals into usable forms through filtration, sedimentation, and drying. The teacher ends the lesson with a reflective question for students on how they can contribute to the preservation of mineral resources, highlighting the importance of sustainable use and management of these resources for the benefit of future generations. The 'code of the day' reinforces the message of responsible resource management.
Mindmap
Keywords
💡Minerals
💡Fluorite
💡Aluminum
💡Copper
💡Dentistry
💡Construction
💡Ore
💡Surface Mining
💡Underground Mining
💡Processing
💡Preservation
Highlights
Introduction to Earth Science for Grade 11 students, focusing on lessons five and six.
Emphasis on the importance of submitting outputs and activities on time.
Lesson five discusses the significance of minerals in society and their uses in everyday life.
Examples of household minerals include fluorite in toothpaste and aluminum in kitchen materials.
Dental health tools are made from minerals like iron, carbon, and gypsum.
Minerals used in construction include iron, carbon, limestone, and quartz.
Energy resources, such as uranium in nuclear power plants and coal in coal power plants, are highlighted.
Introduction to the assessment task on page 11, requiring students to refer to their module.
Lesson six delves into the extraction and processing of ore minerals for human use.
Definition of an ore as a natural occurrence of rock or sediment with economically important elements.
Description of the two primary mining methods: surface mining and underground mining.
Surface mining techniques such as open pit mining, strip mining, and dredging are explained.
The primary steps in processing minerals, including sampling, analysis, crushing, grinding, and concentration.
The importance of filtration, sedimentation, and drying in converting minerals into usable forms.
A reflective question posed to students on how they can contribute to the preservation of mineral resources.
The 'Code of the Day' emphasizes the balanced utilization and preservation of natural resources for future generations.
Encouragement for students to engage in honest learning and self-assessment rather than seeking answer keys.
Closing remarks with a reminder for students to participate in the next learning video and to strive for excellence.
Transcripts
and i'm back grade 11 learners
welcome to our class again earth science
grade 11.
so we are now in week three lessons five
and six
i hope you are doing good and thank you
for keeping up with the deadline in the
submission of our outputs
so uh hoping that you have submitted
already this one and two outputs in our
group page
and also for the online learners
i hope you have already attached your
activities and outputs in your google
classroom
so for this week we are going to tackle
lessons five and six so in lesson five
it's talking about the important
minerals to the society
[Music]
so what do you see in this picture
what are we trying to portray in this
picture
so basing from our lesson
we have the different important minerals
in the society so
if we related to our topic today this
could also signify what are these
[Music]
minerals that we use inside our
home
from our bedroom kitchen in our sala and
even the components the materials that
we use in building a house so
they all signify the different minerals
that we use in
our house
so what are these important minerals in
the household some of the examples are
like the toothpaste that we use every
day
yeah has the fluorite mineral
and also the makeup for some women who
actually use makeup
the towel
is also present in our makeups
and also for
some of the materials that we use in the
kitchen yeah they are made of
aluminum and the wirings that we have
inside our hole
has also the copper
[Music]
and how about in dental health okay
dentist what are they using what
minerals are they using in order to do
their jobs
so for the first one the tools that they
use
in dentistry
comprise actually iron and carbon
okay
while the cast that they use also
comprises the gypsum
and then
the titanium in
making a
transplant
with the teeth
and the third one is made up of iron
also and carbon
for some of the materials that we use in
dentistry
and also in constructing buildings
okay
what are the components what are the
important minerals in the construction
first one
yeah the iron and carbon present in
the
iron and steel
and the first next one is the limestone
the lime and the chalk
for those
that are using the concrete
the concrete that we use in building a
certain
establishment
and the third one we have the flooring
we use this what we call
tiles that are made of granite and
marbles
and also the glass okay some buildings
that are made up of glass
so they are
using the quartz and the silicon
uh the important minerals in power
plants so
in the first picture we had here
the nuclear power plants which actually
uses the uranium mineral and of course
the coal power plant is also cold
and in making cars
the minerals that are used here are the
nickel the copper and the leafy
i want you to answer the assessment in
page 11 refer to your module and write
the letters only
moving on to week 3 lesson six
focusing on the discussion about
energy resources so male 3.2
describe how oral minerals are found
mine and process for human use
[Music]
so or minerals how are they found mined
and processed for human use that is our
focus for today that's the question that
we have to answer
so
first let's define what or mineral is so
an ore is a natural occurrence of rock
or sediment which contains enough
minerals with economically important
elements typically the metals that can
be extracted from the deposit economy
the ores are instructed by mining for a
profit that the earth they are then
refined and then in order to extract the
valuable elements from here so based
from
the description here
orange minerals are actually processed
they are extracted first and then yeah
by the process of mining and then after
that they're refined and become valuable
elements
there are two methods
of mining
four minerals the first one is the
surface mining
surface mining is used to extract ore
minerals near the surface of the earth
from the term surface so
they don't need to
dig deeper and make some
really um
deep holes in order to extract these
minerals so they are just found in the
surface or on the surface of the earth
and the soil and rocks that are covered
the oars are removed through blasting so
they use this blasting in order to
remove the
um unwanted parts of the rocks and for
them to get the ore mineral from it and
next one is underground mining
underground mining is very common also
here in our country in the philippines
so they use this type of mining to
extract the rocks the minerals and other
precious
stones that are hidden underneath the
surface of the earth
they want to dig deeper and discover
more
what's in there
so in underground mining miners need to
create a panel
that is why
so
when there are some like earthquakes
it's very dangerous for them because
these people are working inside the
tunnel and
when earthquake comes it means that
they are really in danger inside
so they can reach ore minerals by
digging like tunnels and this kind of
mining is more expensive yeah and as
mentioned very dangerous compared to
surface planet
so because miners need to use explosive
devices also at the same time to remove
the minerals from
the rocks that cover them so they use
these explosive devices to break rocks
big
[Music]
these are the different
ways on how to do
mining
of ore minerals so the open pip mining
so as you can see here
they are not too deep and this is the
most common type of surface mining
because it's just surface mining they
don't create
big holes or deep holes here open pin
means a big hole or pit in the ground
and the pit in mind is created by
blasting
the use of explosive and sometimes
draining so they used to mine gravel and
sand and even rocks here
and the next one is strip mining as you
can see in the picture that is how strip
mining is done
and it involves the removal of a thin
strip of overburdened earther soil about
above a desired deposit so dumping the
remove overburden behind a deposit and
they extract the desired deposit
creating a second parallel strip in the
same manner and it goes on and on and
depositing the waste materials from the
second strip onto the first strip and
of course this method is used for coal
you know phosphates net enclaves and tar
so it's common to
mining coal phosphate place and
the third one is dredging so yeah they
use this
type of material
and which actually submerged into
the body of water and then down to the
bottom of it including the rivers the
legs and below
that's also direction because underneath
these bodies of water they could find
also some rocks and extract some ore in
them
[Music]
now the primary steps involved in
processing minerals so let's do the
step-by-step process in doing this
the first one is sampling sampling is
the removal of a portion which
represents a hole needed for the
analysis of the material
so it's just like you want to choose now
you remove a portion of the rock in
order for you to choose which one could
be used in
getting the
important minerals or components the
next one is analysis
it is important to evaluate the valuable
component in an ore it includes
mineral or particle size analysis so you
have to look at the chemical component
of that rock then the minerals present
and also the size of it
then the combination so this is the
process where the value components of
the ore are separated through crushing
and grinding
and pounding and this process begins by
crushing the oars to a particular size
and finishes finishes it by grinding the
oars into a powder form you know the ore
here is already pounded
and become powdered
then the concentration
concentration means the separation of
valuable minerals from the room
that's the time that you separate
already the important components of
the important minerals and those that
are that are considered as raw it's
really not
not so useful and number five the
watering when you say the watering uses
the concentration to convert
this one in usable mineral so
there is a process wherein
um
the one the valuable minerals taken
could still be reused
i mean convert into usable minerals and
these involve filtration sedimentation
already of the suspension and drying it
the soil materials are vested from the
suspension so there is like a three
procedure here first one is
filtrate to trade the valuable minerals
that you
that they have separated and then there
is sedimentation and of course
suspension and drying trying
to become
our reflection here this week i want to
leave this question to you how can you
help in preservation of our
or minerals or mineral resources
now as a student as a grade 11 student
think of a way on how
you contribute to the preservation of
our mineral resources
and leaving you this code of the day the
real wealth of a nation lies in a
resources of earth soil the water the
forest the minerals and one's life to
utilize them
for present needs while ensuring their
preservation for future generations
requires a delicately balanced and
continuing program based on the most
extensive research
so their administration is not properly
and cannot be a matter of qualities so
let us all remember that what we do to
our resources today
will always be beneficial to the future
generation so for them not to suffer and
to be out of
this earthly resources that could be
helpful in
continuing life let us all help one
another
in order for us to preserve these
wonderful resources that we have around
us once again this is your teacher in
earth science 11 i would like to thank
you for watching this video and i hope
you don't forget to
like and subscribe and comment your name
below in this video so i could check who
were able to watch our
learning episode for this week so i hope
you are doing your best in all the
outputs that you are making and continue
doing great
and
please be honest in answering your
modules so
getting an answer key is not that
helpful but answering them yourself
would really be beneficial because
learning is still more important than
your score so i'll see you all in our
next learning video have a nice day
everyone
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