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Natuurwetenskappe

Graad 4

Materie en stowwe

Module 56

Die waarde van boumateriaal as 'n hulpbron

Aktiwiteit:

Om die waarde van boumateriaal as ‘n hulpbron in die bou van huise te leer ken

[lu 1.2.1, 2.2.1, 3.2]

Boumateriale

Wanneer ‘n huis gebou word, word materiale gebruik wat natuurlik is of wat gemaak moes word. Hier is ‘n prentjie van ‘n huisie. Kleur die natuurlike materiale geel in en die ander materiale rooi.

Hout

Een van die natuurlike produkte wat gebruik is om die huisie te bou, is hout.

Hout is ‘n wonderlike hulpbron vir die mens. Deel die klas in ses groepe. Gee drie minute kans om alles te lys wat van hout gemaak is in die:

klas

jou kamer by die huis

jou sitkamer by die huis

die kombuis

op die skoolterrein

I

in die skoolsaal

1. Watter gevolgtrekking kan jy hieruit maak?

My gevolgtrekking is: ____________________________

  1. Skryf aan Sappi om plakkate aan julle klas te stuur.

Bakstene

Om mee te skryf

Duisende jare gelede het mense allerhande maniere gebruik om te skryf. Hulle het materiale van dierprodukte, klippe, plante en klei gebruik. Hulle het op papirus, bas, dierevelle en rotse geskryf en tekeninge gemaak.

Vandag is dit baie makliker. Ons gaan net eenvoudig winkels toe en koop die wonderlikste skryfgoed wat ons wil hê. Al hierdie goed word van verskillende soorte materie gemaak.

Dink aan iemand uit ons verre verlede wat jou nog altyd gefassineer het. Stuur ‘n kort SMS-boodskap aan hom/haar om te bewys hoe die tegnologie oor ‘skryf’ deur die jare verander het.

Assessering

LEERUITKOMS 1: WETENSKAPLIKE ONDERSOEK

Die l eerder is in staat om met selfvertroue op weetgierigheid oor natuurlike verskynsels te reageer, en om binne die konteks van wetenskap, tegnologie en die omgewing verbande te ondersoek en probleme op te los.

Assesseringstandaard

Dis duidelik wanneer die leerder

1.2 ondersoeke uitvoer en data versamel, bv.:

1.2.1 merk ooglopende veranderings of interessante besonderhede op en lewer kommentaar daarop.

LEERUITKOMS 2: KONSTRUKSIE VAN WETENSKAPKENNIS Die leerder ken, interpreteer en pas wetenskaplike, tegnologiese en omgewings- kennis toe.

Assesseringstandaard

Dis duidelik wanneer die leerder

2.2 inligting kategoriseer, bv.:

2.2.1 volg instruksies om diere in groepe van dié met twee bene, met vier bene en met meer as vier bene te sorteer.

LEERUITKOMS 3: WETENSKAP, DIE SAMELEWING EN DIE OMGEWING Die leerder is in staat om begrip van die onderlinge verband tussen wetenskap en tegnologie, die samelewing en die omgewing te toon .

Assesseringstandaard

Dis duidelik wanneer die leerder

3.2 die impak van wetenskap en tegnologie verstaan.

Memorandum

Boumateriale:

  • Natuurlike materiale: kleur dit geel in
  • Ander materiale: kleur dit rooi in

Om mee te skryf:

  • Kinders ken nie die outydse maniere van skryf nie. Indien daar tyd is, lees outydse artikels, stories of kyk video’s wat dit mooi uitbeeld.
  • Die SMS-boodskap is iets wat hulle baie goed ken!

Questions & Answers

what is mutation
Janga Reply
what is a cell
Sifune Reply
how is urine form
Sifune
what is antagonism?
mahase Reply
classification of plants, gymnosperm features.
Linsy Reply
what is the features of gymnosperm
Linsy
how many types of solid did we have
Samuel Reply
what is an ionic bond
Samuel
What is Atoms
Daprince Reply
what is fallopian tube
Merolyn
what is bladder
Merolyn
what's bulbourethral gland
Eduek Reply
urine is formed in the nephron of the renal medulla in the kidney. It starts from filtration, then selective reabsorption and finally secretion
onuoha Reply
State the evolution relation and relevance between endoplasmic reticulum and cytoskeleton as it relates to cell.
Jeremiah
what is heart
Konadu Reply
how is urine formed in human
Konadu
how is urine formed in human
Rahma
what is the diference between a cavity and a canal
Pelagie Reply
what is the causative agent of malaria
Diamond
malaria is caused by an insect called mosquito.
Naomi
Malaria is cause by female anopheles mosquito
Isaac
Malaria is caused by plasmodium Female anopheles mosquitoe is d carrier
Olalekan
a canal is more needed in a root but a cavity is a bad effect
Commander
what are pathogens
Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
Muhsin Reply
respiration is the process in which we breath in oxygen and breath out carbon dioxide
Achor
how are lungs work
Commander
where does digestion begins
Achiri Reply
in the mouth
EZEKIEL
what are the functions of follicle stimulating harmones?
Rashima Reply
stimulates the follicle to release the mature ovum into the oviduct
Davonte
what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
Achor
what's biology?
Egbodo Reply
Biology is the study of living organisms, divided into many specialized field that cover their morphology, physiology,anatomy, behaviour,origin and distribution.
Lisah
biology is the study of life.
Alfreda
Biology is the study of how living organisms live and survive in a specific environment
Sifune
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Source:  OpenStax, Natuurwetenskappe graad 4. OpenStax CNX. Sep 18, 2009 Download for free at http://cnx.org/content/col11097/1.1
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