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Aardrykskunde

Graad 4

Hulpbronne en dienste in ‘n nedersetting

Module 13

Wat is hulpbronne?

Hulpbronne

Definisie : Hulpbronne is dinge wat ons nodig het om dinge mee te doen/maak.

Is die volgende almal hulpbronne? Kyk weer na die definisie hierbo en bespreek eers die moontlike antwoorde met ‘n maat.

  1. koper
  1. vis
  1. olie
  1. hout
  1. water
  1. die son
  1. wind
  1. sand
  1. kalk
  1. aluminium
  1. steenkool
  1. grond
  1. beesmis
  1. goud
  1. gas
  1. yster

Nog ’n hulpbron: Die Mens

Wat kan sonder die bestuurder en die werker gebeur? Niks!

Onthou: omdat die mens ’n belangrike hulpbron is, moet daar goed na hom omgesien word, maar die natuur voorsien die ander hulpbronne – dit moet ook baie goed opgepas word. Meer hieroor later!

Uitslag van die toets:

Dalk het jy en jou maat lekker gestry oor wat hulpbronne is. Die een wat die beste gevaar het, is die een wat gesê het dat al sestien name hulpbronne is.

Aktiwiteit 1

Om hulpbronne in ons alledaagse lewe te identifiseer [lu 2.1]

Dink so ‘n bietjie en voeg nog voorbeelde by die voorbeelde wat reeds verskaf is.

  • Hulpbronne wat die mens help om voedsel te produseer:

grond, fosfate (vir die maak van kunsmis), water, kraalmis

............................................................................................................................

............................................................................................................................

............................................................................................................................

  • Hulpbronne wat die mens help om homself te verwarm en kos gaar te maak:

steenkool, hout, olie, gas

............................................................................................................................

............................................................................................................................

............................................................................................................................

  • Hulpbronne wat die mens help om toerusting vir die huis te produseer:

hout, metale, steenkool, olie

............................................................................................................................

............................................................................................................................

............................................................................................................................

  • Hulpbronne wat gebruik is om toerusting vir jul klaskamer te produseer:

steenkool, hout, metale

hout, metale, steenkool, olie

............................................................................................................................

............................................................................................................................

............................................................................................................................

Baie belangrik:

Dink mooi na oor al die hulpbronne wat genoem is, ook dit wat deur julle bygevoeg is. Watter van hierdie hulpbronne kan nooit opraak nie? Skryf dit in die lyntjies neer. Daarvan sal julle meer in Graad 5 leer.

Daar is so baie arm mense in Suid-Afrika en Afrika wat beesmis in koeke droogmaak om vuur mee te maak, dat dit eintlik ook ‘n energiebron genoem kan word

Kaartwerk

Aktiwiteit 2

Om die kaart van suid-afrika te bestudeer en die vrae te beantwoord [lu 1.1]

Natuurlike hulpbronne in suid-afrika

Watter myne vind ons in Gauteng? ......................................................................

Watter myne vind ons in die Noord-Kaap? .............................................................

Watter tipe boerdery sal jy in die Vrystaat vind? ....................................................

Watter dierbronne kom in jou provinsie voor?.........................................................

In watter provinsie vind ons weinig boerdery? (Gee ‘n rede vir jou antwoord.)

................................................................................................................................

Assessering

Leeruitkoms 1: aardrykskundige ondersoek

Die leerder is in staat om ondersoekvaardighede te gebruik om aardrykskundige en omgewingsbegrippe en -prosesse te ondersoek.

Assesseringstandaard

Dis duidelik wanneer die leerder

1.1 inligting uit verskillende bronne identifiseer (kaarte, atlasse, boeke).

Leeruitkoms 2: aardrykskundige kennis en begrip

Die leerder is in staat om aardrykskundige en omgewingskennis en -begrip te toon.

Assesseringstandaard

Dis duidelik wanneer die leerder

2.1 die eienskappe van die plaaslike nedersetting, insluitend landgebruik, beskryf en dit vergelyk met voorbeelde van ander plekke (mense en plekke).

Memorandum

Hulpbronne in ons alledaagse lewe

  • Son
  • Saad
  • Kalk
  • Son
  • Paraffien
  • Diervelle
  • Glas
  • Rubber

Baie belangrik:

  • Son
  • Grond
  • Water (as ons mooi kyk daarna)

Kaartwerk

Kaart van suid-afrika

  • Goud
  • Diamante
  • Skaap, bees, mielies, koring, sonneblomme
  • Noord-Kaap – droog

Questions & Answers

can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
right! what he said ⤴⤴⤴
Tamia
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
Kim
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Al
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
im not good at math so would this help me
Rachael Reply
yes
Asali
I'm not good at math so would you help me
Samantha
what is the problem that i will help you to self with?
Asali
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
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
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
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
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
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
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
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
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele 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, Aardrykskunde graad 4. OpenStax CNX. Oct 21, 2009 Download for free at http://cnx.org/content/col11083/1.2
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