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Life orientation

Grade 9

Thinking skills

Module 1

Get a head start! (thinking skills)


The human brain is wonderful and is more complicated than the newest computer. It works 24 hours a day - even when you sleep. It receives and processes all the information you receive from the world around you through your senses.

Your senses send a flood of information to the brain. Everything that you see, hear, smell, taste and touch is given meaning in your brain. Your brain sorts, thinks, remembers, creates, compares, plans, solves problems - even if you are not doing it consciously.

The brain "floats" inside your skull in a "shockproof" liquid and is further protected by three cushioning layers of tissue.

If you could take your brain to pieces, you would find three main parts, the left and right cerebral hemispheres, the cerebellum and the brain stem which links the brain to the spinal cord and the rest of the body.

If you looked at the brain under a powerful microscope, you would see a complicated mass of nerve cells, called the "grey matter" of the brain. These nerve cells are connected by a network of nerve fibres to nerve cells all over your body. The brain contains 10 billion nerve cells - which is only a tenth of the brain's cells. This wonderful structure and its functions make the computer look rather primitive, doesn't it?


Many people have a specific right or left brain dominance. This has certain implications for the way in which they learn. But more about this when we get to learning and studying.

The right hemisphere is the side which specialises in imagination, daydreaming, rhythm, colour, the whole picture and spatial awareness.

The left hemisphere specialises in words, logic, numbers, sequence, analysis and lists.

A study technique like mind-mapping helps a person to use both hemispheres to learn, to understand and to remember.

How to know if you are right brain or left brain dominant:

Here are some questions that you can answer to find out. This is not a standardised test for brain dominance, but it should give you an idea. Just answer YES or NO.

  1. You prefer to study from your text book.
  1. Your notes are neat and numbered.
  1. You learn better from direct experience.
  1. Your notes are in the form of mindmap drawings ir squiggles.
  1. You prefer to hear the whole story before separate facts are really meaningful to you.

If you answered "yes" to the first two questions and "no" to the rest, you are probably left hemisphere dominant. If you answered "no" to the first two questions and "yes" to the rest, you are probably right brain dominant.

Often people which are right brain dominant, very creative and not very organised, have a tough time at schools who cater for left brainers who are methodical and organised. It is important for right brainers to learn to organise their thoughts and for left brainers to work on flexibility of thought and creativity.

We will do exercises designed to help you improve the functioning of both sides of your brain during this course.

We have started off with a bit of background information, but the course will become more practical as we go along.

[LO 3.4]


Learning outcomes(LOs)
LO 3
PERSONAL DEVELOPMENT The learner will be able to use acquired life skills to achieve and extend personal potential to respond effectively to challenges in his or her world.
Assessment standards(ASs)
We know this when the learner:
3.3 responds appropriately to emotions in challenging situations;
3.4 explains what has been learned from a challenging personal ineraction by critically reflecting on own behaviour;
3.6 critically evaluates own application of problem-solving skills in a challenging situation.

Questions & Answers

Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
many many of nanotubes
what is the k.e before it land
what is the function of carbon nanotubes?
I'm interested in nanotube
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
what is system testing
what is the application of nanotechnology?
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
anybody can imagine what will be happen after 100 years from now in nano tech world
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
silver nanoparticles could handle the job?
not now but maybe in future only AgNP maybe any other nanomaterials
I'm interested in Nanotube
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Life orientation grade 9. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col11065/1.1
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