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Afrikaans eerste addisionele taal

Graad 6

Module 7

Die geheimsinnige see

Die geheimsinnige see

Ons praat van die wêreld waarin ons leef as die “aarde.” Eintlik is dit verkeerd, want daar is baie meer water as vasteland (mainland). As ons die wêreld sou verdeel in see en vasteland, sal daar 70% see en 30% vasteland wees. As die sirkel hieronder die aarde voorstel, hoe kan jy dit verdeel om aan te dui watter persentasie is water en watter persentasie is vasteland?

Duisende jare gelede het die mense net die land geken en byna niks geweet van die wye en geheimsinnige oseaan nie. Die land was al wat belangrik was. Ons kan dit sien op hierdie “Wêreldkaart” wat 2 500 jaar gelede geteken is deur ‘n Griekse geleerde, Hekatäus. Hierdie kaart stel die aarde voor as Europa, Asië en Noord-Afrika en die Middellandse See.

Die wêreldkaart van die Griekse geleerde Hekatäus (ongeveer 500 v.C.)

Die wêreldkaart vandag

Verdeel nou in groepe en bespreek die volgende:

Wat is die grootste verskille tussen die twee kaarte?

  • Hoeveel vastelande is daar op ons wêreldkaart?
  • Watter lande kan julle herken op Hekatäus se kaart?
  • Wat is hulle name?
  • Hoekom word die Middellandse See so genoem?
  • Wat is die Griekse naam vir die oseaan?
LU 5.1.2
LU 5.1.3

Seediere

Die see is die tuiste van talle plante en diere. Die meeste seediere kom in die kuswaters naby die land voor. Kan jy enige van die volgende herken? Werk saam met ‘n maat en skryf die name neer van die seediere wat julle herken. Kies uit die lys hieronder.

seeperdjie; kreef; haai; rob; dolfyn; paling; pikkewyn; walvis:

LU 6.1.2

Leer nou die spelling van hierdie seediere se name.

Mondeling

Jy het nou ‘n gesprek tussen ‘n haai en ‘n duiwelvuurvis ontsyfer. Hier gaan nou nog ‘n gesprek volg, maar hierdie slag is jy ook ‘n vis. Jy kan enige vis of seedier wees. Jou maat gaan die onderstaande vrae vra en jy moet hulle kan beantwoord. Jy sal dus ‘n bietjie inligting moet insamel oor die vis of seedier wat jy wil wees. Jy en jou maat gaan beurte maak om die vrae te stel. Ons kan mos ook sê julle gaan beurte maak om ‘n onderhoud te voer. Onthou om in volsinne te antwoord.

ONDERHOUD

Julle kan die antwoorde neerskryf as julle wil.

  1. Wat is jou naam? (Watter soort seedier of vis is jy?)
  1. Beskryf hoe jy lyk:
  1. Waar of wat is jou woonplek?
  1. Wat eet jy en hoe kry jy jou kos in die hande?
  1. Wie of wat is jou vyande en hoekom?
  1. Hoe plant jy voort? (How do you reproduce?)
  1. Hoe beweeg jy?
  1. Het jy enige eienaardige gewoontes? (Do you have any strange habits?) Vertel ons daarvan.
LU 2.1.1
LU 2.3.6

ASSESSERING: MONDELING – onderhoud voer

Skriftelike werk

Skryf nou ‘n kort verslag oor die seedier of vis waaroor jy gepraat het. Beskryf dieselfde dinge soos wat jy dit gedoen het terwyl jy mondeling gepraat het.

  • watter soort seedier of vis jy is;
  • jou voorkoms;
  • jou woonplek;
  • jou kos;
  • jou vyande;
  • waar jy jou eiers lê;
  • hoe jy beweeg;
  • enige eienaardige gewoontes

Skryf ongeveer ag tot tien sinne. Die titel moet die naam van jou vis of seedier wees.

LU 4.1.3

Stilleestoets

Lees die onderstaande leesstuk oor visse se uitwendige kenmerke. Beantwoord die vrae.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
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.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket 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, Afrikaans eerste addisionele taal graad 6. OpenStax CNX. Sep 07, 2009 Download for free at http://cnx.org/content/col10996/1.1
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