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Sosiale wetenskappe: geskiedenis

Graad 7

Die eerste mense

Module 15

Die ontwikkeling van die eerste mense

Die vroeë mense het in verskillende stadia ontwikkel. Hierdie vier stadiums word in meegaande bronne aangetoon en daarna verduidelik.

Bron 1

Verskillende stadia van die vroeë mens.

Bron 3

Vervolgens word elke stadia verduidelik.

a) Australopithecus

Die oudste bene wat ontdek is, kom van die Australopithecus . Hul het tussen 3 miljoen en 2 miljoen jaar gelede geleef. Hul bene is nog net in Suid- en Oos-Afrika ontdek. Die vroeë mense het waarskynlik klippe opgetel en as werktuie gebruik. Hulle het regop geloop en hul hande vry gehad. Werktuie is ook van stokke, blare en bas gemaak. Hul kos was waarskynlik meestal plantvoedsel.

b) Homo Habilis

Die ”Homo” Habilis het ‘n 50% groter brein as die Australopithecus gehad – vandaar die voorvoegsel “homo” – mens.

Dit beteken handige mense, want hul het die eerste klipwerktuie gemaak. Hul het tussen 2 miljoen en 1,7 miljoen jaar gelede veral in Oos-sentraal Afrika geleef. Hulle het ‘n verskillende klipwerktuie vervaardig, en waarskynlik ook klipmure gebou. Hul het ook baie vleis geëet. Waarskynlik was hul semi-nomadies, maar het ‘n rukkie in ‘n area gebly waar dit hul weer na ‘n ander area verhuis het vir kos.

Vir die Homo Habilis was die wêreld ‘n gevaarlike plek, want hul was baie kleiner en swakker as die wreedaardige diere rondom hulle. Hulle het nie kloue of slagtande gehad nie, en kan nie so vinnig soos die diere hardloop nie. Meestal moes hul na die naaste boom hardloop vir veiligheid.

Geleidelik het die Homo Habilis vanaf die aarde verdwyn . . .

c) Homo Erectus

Hul plek is deur die Homo Erectus ingeneem. Sy brein was 25% groter as die van die Homo Habilis . Hul het tussen 1,7 miljoen en 500 000 jaar gelede in Suider-Afrika geleef. Argeoloë dink hul kon praat. Hul het ook werktuie van klip gemaak om vleis, plantvoedsel en skerp implemente te sny. Hul was ook goeie houtwerkers, maar het ook uitgevind hoe om vuur te maak. Waarskynlik is vuur soms gemaak om diere in ‘n hoek te jaag, sodat dit doodgemaak kan word. Hulle het in grotskuilings gebly.

Die Homo Erectus het groot tande, ‘n sterk kaak en klein kas gehad. Hul was meestal 1,5 m lank. Hulle het in groepe in grotte gebly en vuur maak. Hul lewe was dus makliker as die van die vroeë mense. Met hul beter wapens, kon hul groter diere soos renosters jag.

Die Australopithecus, Homo Habilis en Homo Erectus leef nie meer nie.

d) Homo Sapiens

Die Homo Sapiens (beteken “wyse mens”) het eers vanaf 400 000 jare gelede in Afrika voorgekom. Hulle was nes die moderne mens, wat oraloor die wêreld voorgekom het. Hul tande was kleiner, die kakebeen smaller en die ken duideliker. Meestal het hul nie nomadies geleef nie.

Al die vroegste mense het klip of steen gebruik!

Velle is aanmekaar vasgewerk deur naalde te gebruik wat van been gemaak is.

Die velle van wilde diere is afgetrek, skoon geskraap en reggemaak. Dit is gebruik vir klere, oortreksels vir skuilings en sakke vir houers.

Aktiwiteit 1:

Ontleed verskillende tydperke deur verskillende bronne te gebruik

[lu 2.3]

  • Werk in pare en maak ‘n vouboekie van die klasuitstalling.
  • Vergelyk die vroeë mense met mekaar aan die hand van verskillende kriteria, bv. tydperk, iets gemaak of gebruik, voorkoms, leefwyse.

Assessering

LEERUITKOMS 2: HISTORIESE BEGRIP (TYD) – Die leerder is in staat om geskiedkundige kennis en begrip te toon
2.1 Verstaan kronologie en tyd
2.2 Verskaf redes waarom ‘n historiese gebeurtenis plaasgevind het (oorsake, gevolge)
2.3 Onderskei tussen verskillende tydperke (ooreenkomste, verskille)

Memorandum

KRITERIA AUSTRALOPITHECUS HOMO HABILIS HOMO ERECTUS HOMO SAPIENS
Tydperk 3 – 2 miljoen jaar gelede geleef 2 – 1,17 miljoen jaar gelede geleef 1,7 – 500 000 jaar gelede geleef 400 000 jaar gelede geef
Oorsprong Suid-, Oos-Afrika Oos-, Sentraal-Afrika Suider-Afrika Verskeie plekke in Suider-Afrika
Voorkoms Loop regop 50% groter brein as voorganger,klein, nie kloue of slagtande 25% groter brein as voorganger,sterk kaak, klein kop Voorloper van moderne mens,Klein tande, swak kaak, duidelike kop
Leefwyse Werktuie :Stokke, bas Kos : Plante Woning : Nomadies Werktuie : Klip Kos : Vleis Woning : Semi-nomadies Werktuie : klip, hout Kos : Vleis, plante Woning : Grotte, maak vuur Werktuie : klip, steen, been, vel Kos : Fyner kos Woning : Nie nomadies

Questions & Answers

find the 15th term of the geometric sequince whose first is 18 and last term of 387
Jerwin Reply
I know this work
salma
The given of f(x=x-2. then what is the value of this f(3) 5f(x+1)
virgelyn Reply
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Abhi
how do they get the third part x = (32)5/4
kinnecy Reply
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
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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
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Abhi
is it a question of log
Abhi
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salma
Commplementary angles
Idrissa Reply
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Sherica
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Sherica
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Tamia
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Uday
hi
salma
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+_
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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
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rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
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Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
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how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
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. 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
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Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
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
Hello
Uday
I'm interested in Nanotube
Uday
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Prasenjit
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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, Geskiedenis graad 7. OpenStax CNX. Sep 09, 2009 Download for free at http://cnx.org/content/col11022/1.1
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